21618406

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1$

素因数の和:999

約数の個数: 16

約数和(自身を含む): 33018480

約数和(自身を除く): 11400074

約数列:

[1, 2, 109, 131, 218, 262, 757, 1514, 14279, 28558, 82513, 99167, 165026, 198334, 10809203, 21618406]

約数ペア:

[(1, 21618406), (2, 10809203), (109, 198334), (131, 165026), (218, 99167), (262, 82513), (757, 28558), (1514, 14279)]