Q: What is the sum of all factors of the number 21,618 excluding 21,618?

A: 25,260

Why is 25,260 the sum of all factors of 21,618, excluding 21,618?

The factors of the number 21,618 are: 1, 2, 3, 6, 9, 18, 1201, 2402, 3603, 7206, 10809, 21618.

If you add them up, you will get the total of 21,643. Now subtract 21,618 to get 25,260

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