21861372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3259}}^1$

素因数の和:3322

約数の個数: 48

約数和(自身を含む): 56228480

約数和(自身を除く): 34367108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3259, 3354, 6518, 6708, 9777, 13036, 19554, 39108, 42367, 84734, 127101, 140137, 169468, 254202, 280274, 420411, 508404, 560548, 840822, 1681644, 1821781, 3643562, 5465343, 7287124, 10930686, 21861372]

約数ペア:

[(1, 21861372), (2, 10930686), (3, 7287124), (4, 5465343), (6, 3643562), (12, 1821781), (13, 1681644), (26, 840822), (39, 560548), (43, 508404), (52, 420411), (78, 280274), (86, 254202), (129, 169468), (156, 140137), (172, 127101), (258, 84734), (516, 42367), (559, 39108), (1118, 19554), (1677, 13036), (2236, 9777), (3259, 6708), (3354, 6518)]