Q: What is the sum of all factors of the number 21,508 excluding 21,508?
A: 18,252
The factors of the number 21,508 are: 1, 2, 4, 19, 38, 76, 283, 566, 1132, 5377, 10754, 21508.
If you add them up, you will get the total of 21,526. Now subtract 21,508 to get 18,252