Q: What is the sum of all factors of the number 21,189 excluding 21,189?
A: 11,131
The factors of the number 21,189 are: 1, 3, 7, 21, 1009, 3027, 7063, 21189.
If you add them up, you will get the total of 21,200. Now subtract 21,189 to get 11,131