Q: What is the sum of all factors of the number 21,160 excluding 21,160?
A: 28,610
The factors of the number 21,160 are: 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 2116, 2645, 4232, 5290, 10580, 21160.
If you add them up, you will get the total of 21,188. Now subtract 21,160 to get 28,610