Q: What is the sum of all factors of the number 21,437 excluding 21,437?
A: 3,259
The factors of the number 21,437 are: 1, 13, 17, 97, 221, 1261, 1649, 21437.
If you add them up, you will get the total of 21,440. Now subtract 21,437 to get 3,259