Q: What is the sum of all factors of the number 21,098 excluding 21,098?
A: 18,646
The factors of the number 21,098 are: 1, 2, 7, 11, 14, 22, 77, 137, 154, 274, 959, 1507, 1918, 3014, 10549, 21098.
If you add them up, you will get the total of 21,116. Now subtract 21,098 to get 18,646