21831458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2551}}^1$

素因数の和:2953

約数の個数: 16

約数和(自身を含む): 35830080

約数和(自身を除く): 13998622

約数列:

[1, 2, 11, 22, 389, 778, 2551, 4279, 5102, 8558, 28061, 56122, 992339, 1984678, 10915729, 21831458]

約数ペア:

[(1, 21831458), (2, 10915729), (11, 1984678), (22, 992339), (389, 56122), (778, 28061), (2551, 8558), (4279, 5102)]