Q: What is the sum of all factors of the number 21,861 excluding 21,861?

 A: 14,331

Why is 14,331 the sum of all factors of 21,861, excluding 21,861?

The factors of the number 21,861 are: 1, 3, 7, 9, 21, 63, 347, 1041, 2429, 3123, 7287, 21861.

If you add them up, you will get the total of 21,875. Now subtract 21,861 to get 14,331


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