Q: What is the sum of all factors of the number 21,717 excluding 21,717?
A: 11,563
The factors of the number 21,717 are: 1, 3, 9, 19, 57, 127, 171, 381, 1143, 2413, 7239, 21717.
If you add them up, you will get the total of 21,728. Now subtract 21,717 to get 11,563