21166408

素因数分解:

$2^3\times {\mathrm{919}}^1\times {\mathrm{2879}}^1$

素因数の和:3804

約数の個数: 16

約数和(自身を含む): 39744000

約数和(自身を除く): 18577592

約数列:

[1, 2, 4, 8, 919, 1838, 2879, 3676, 5758, 7352, 11516, 23032, 2645801, 5291602, 10583204, 21166408]

約数ペア:

[(1, 21166408), (2, 10583204), (4, 5291602), (8, 2645801), (919, 23032), (1838, 11516), (2879, 7352), (3676, 5758)]