Q: What is the sum of all factors of the number 213,590 excluding 213,590?
A: 221,866
The factors of the number 213,590 are: 1, 2, 5, 10, 13, 26, 31, 53, 62, 65, 106, 130, 155, 265, 310, 403, 530, 689, 806, 1378, 1643, 2015, 3286, 3445, 4030, 6890, 8215, 16430, 21359, 42718, 106795, 213590.
If you add them up, you will get the total of 213,811. Now subtract 213,590 to get 221,866