Q: What is the sum of all factors of the number 221,169 excluding 221,169?
A: 105,423
The factors of the number 221,169 are: 1, 3, 13, 39, 53, 107, 159, 321, 689, 1391, 2067, 4173, 5671, 17013, 73723, 221169.
If you add them up, you will get the total of 221,274. Now subtract 221,169 to get 105,423