Q: What is the sum of all factors of the number 213,381 excluding 213,381?
A: 148,219
The factors of the number 213,381 are: 1, 3, 7, 9, 21, 27, 63, 189, 1129, 3387, 7903, 10161, 23709, 30483, 71127, 213381.
If you add them up, you will get the total of 213,529. Now subtract 213,381 to get 148,219