1.

The total number of divisors of 10500 except 1 and it.

Answer»

48
50
46
56

Solution :`10500 = 2xx2xx3xx5xx5xx5xx7 `
`10500 = 2^2xx3^1xx5^3xx7^1`
`therefore` TOTAL number of divisors of 10500 is (2+1)(1+1)(3+1)(1+1) = 48
Bt we have to exclude 1 and 10500
So there are only 48-2=46 FACTORS of 10500 except 1 and 10500


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