Q: What is the sum of all factors of the number 17,199 excluding 17,199?
A: 14,721
The factors of the number 17,199 are: 1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1911, 2457, 5733, 17199.
If you add them up, you will get the total of 17,213. Now subtract 17,199 to get 14,721