Q: What is the sum of all factors of the number 16,401 excluding 16,401?
A: 11,247
The factors of the number 16,401 are: 1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 16401.
If you add them up, you will get the total of 16,412. Now subtract 16,401 to get 11,247