Q: What is the sum of all factors of the number 21,918 excluding 21,918?
A: 25,458
The factors of the number 21,918 are: 1, 2, 3, 6, 13, 26, 39, 78, 281, 562, 843, 1686, 3653, 7306, 10959, 21918.
If you add them up, you will get the total of 21,943. Now subtract 21,918 to get 25,458