21031644

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40759}}^1$

素因数の和:40809

約数の個数: 24

約数和(自身を含む): 50216320

約数和(自身を除く): 29184676

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40759, 81518, 122277, 163036, 244554, 489108, 1752637, 3505274, 5257911, 7010548, 10515822, 21031644]

約数ペア:

[(1, 21031644), (2, 10515822), (3, 7010548), (4, 5257911), (6, 3505274), (12, 1752637), (43, 489108), (86, 244554), (129, 163036), (172, 122277), (258, 81518), (516, 40759)]