21165366

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8419}}^1$

素因数の和:8843

約数の個数: 16

約数和(自身を含む): 42436800

約数和(自身を除く): 21271434

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8419, 16838, 25257, 50514, 3527561, 7055122, 10582683, 21165366]

約数ペア:

[(1, 21165366), (2, 10582683), (3, 7055122), (6, 3527561), (419, 50514), (838, 25257), (1257, 16838), (2514, 8419)]