21179268

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 59230080

約数和(自身を除く): 38050812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 677, 711, 869, 948, 1354, 1422, 1738, 2031, 2607, 2708, 2844, 3476, 4062, 5214, 6093, 7447, 7821, 8124, 10428, 12186, 14894, 15642, 22341, 24372, 29788, 31284, 44682, 53483, 67023, 89364, 106966, 134046, 160449, 213932, 268092, 320898, 481347, 588313, 641796, 962694, 1176626, 1764939, 1925388, 2353252, 3529878, 5294817, 7059756, 10589634, 21179268]

約数ペア:

[(1, 21179268), (2, 10589634), (3, 7059756), (4, 5294817), (6, 3529878), (9, 2353252), (11, 1925388), (12, 1764939), (18, 1176626), (22, 962694), (33, 641796), (36, 588313), (44, 481347), (66, 320898), (79, 268092), (99, 213932), (132, 160449), (158, 134046), (198, 106966), (237, 89364), (316, 67023), (396, 53483), (474, 44682), (677, 31284), (711, 29788), (869, 24372), (948, 22341), (1354, 15642), (1422, 14894), (1738, 12186), (2031, 10428), (2607, 8124), (2708, 7821), (2844, 7447), (3476, 6093), (4062, 5214)]