21296856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 61459200

約数和(自身を除く): 40162344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 109, 168, 218, 327, 436, 654, 763, 872, 1163, 1308, 1526, 2289, 2326, 2616, 3052, 3489, 4578, 4652, 6104, 6978, 8141, 9156, 9304, 13956, 16282, 18312, 24423, 27912, 32564, 48846, 65128, 97692, 126767, 195384, 253534, 380301, 507068, 760602, 887369, 1014136, 1521204, 1774738, 2662107, 3042408, 3549476, 5324214, 7098952, 10648428, 21296856]

約数ペア:

[(1, 21296856), (2, 10648428), (3, 7098952), (4, 5324214), (6, 3549476), (7, 3042408), (8, 2662107), (12, 1774738), (14, 1521204), (21, 1014136), (24, 887369), (28, 760602), (42, 507068), (56, 380301), (84, 253534), (109, 195384), (168, 126767), (218, 97692), (327, 65128), (436, 48846), (654, 32564), (763, 27912), (872, 24423), (1163, 18312), (1308, 16282), (1526, 13956), (2289, 9304), (2326, 9156), (2616, 8141), (3052, 6978), (3489, 6104), (4578, 4652)]