92. Find the number of divisors of ...
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92. Find the number of divisors of 21,600 excluding 1 and the number itself - (a) 72 (b) 142 (©) 35 (d) 70

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(18. total No. If divisors ( 216 mathrm{u} ) o. use ( varepsilon_{9}^{text {느 }} ) : ( d(n)=(a+1)(b+1)(c+1) ) Where ( d(h)= ) Nuin divitura ( a, b, c=varepsilon times ) ponints of prime factorizotion Huut: ( 21600=2^{5} times 5^{3} times 5^{2} ) ( d(n)=(a+1)(b+1)(c+1) ) ( d(21600)=(5+1)(3+1)(2+1) ) ( a mid(21600)=6 times 4 times 3 ) ( 1 d(216 w)=72 ) ( int 0, quad ) totel allvisure id ( 72-2=70 )
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