Q: What is the sum of all factors of the number 421,642 excluding 421,642?
A: 259,514
The factors of the number 421,642 are: 1, 2, 13, 26, 16217, 32434, 210821, 421642.
If you add them up, you will get the total of 421,901. Now subtract 421,642 to get 259,514