Q: What is the sum of all factors of the number 13,419 excluding 13,419?
A: 9,621
The factors of the number 13,419 are: 1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419.
If you add them up, you will get the total of 13,428. Now subtract 13,419 to get 9,621