Q: What is the sum of all factors of the number 213,404 excluding 213,404?
A: 172,324
The factors of the number 213,404 are: 1, 2, 4, 31, 62, 124, 1721, 3442, 6884, 53351, 106702, 213404.
If you add them up, you will get the total of 213,576. Now subtract 213,404 to get 172,324