Q: What is the sum of all factors of the number 17,391 excluding 17,391?
A: 10,257
The factors of the number 17,391 are: 1, 3, 11, 17, 31, 33, 51, 93, 187, 341, 527, 561, 1023, 1581, 5797, 17391.
If you add them up, you will get the total of 17,401. Now subtract 17,391 to get 10,257