21502494

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2201

約数の個数: 48

約数和(自身を含む): 51363312

約数和(自身を除く): 29860818

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 2137, 3354, 4274, 5031, 6411, 10062, 12822, 19233, 27781, 38466, 55562, 83343, 91891, 166686, 183782, 250029, 275673, 500058, 551346, 827019, 1194583, 1654038, 2389166, 3583749, 7167498, 10751247, 21502494]

約数ペア:

[(1, 21502494), (2, 10751247), (3, 7167498), (6, 3583749), (9, 2389166), (13, 1654038), (18, 1194583), (26, 827019), (39, 551346), (43, 500058), (78, 275673), (86, 250029), (117, 183782), (129, 166686), (234, 91891), (258, 83343), (387, 55562), (559, 38466), (774, 27781), (1118, 19233), (1677, 12822), (2137, 10062), (3354, 6411), (4274, 5031)]