Q: What is the sum of all factors of the number 21,136 excluding 21,136?
A: 19,846
The factors of the number 21,136 are: 1, 2, 4, 8, 16, 1321, 2642, 5284, 10568, 21136.
If you add them up, you will get the total of 21,155. Now subtract 21,136 to get 19,846