21270354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 51480576

約数和(自身を除く): 30210222

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 97, 138, 161, 194, 227, 291, 322, 454, 483, 582, 679, 681, 966, 1358, 1362, 1589, 2037, 2231, 3178, 4074, 4462, 4767, 5221, 6693, 9534, 10442, 13386, 15617, 15663, 22019, 31234, 31326, 36547, 44038, 46851, 66057, 73094, 93702, 109641, 132114, 154133, 219282, 308266, 462399, 506437, 924798, 1012874, 1519311, 3038622, 3545059, 7090118, 10635177, 21270354]

約数ペア:

[(1, 21270354), (2, 10635177), (3, 7090118), (6, 3545059), (7, 3038622), (14, 1519311), (21, 1012874), (23, 924798), (42, 506437), (46, 462399), (69, 308266), (97, 219282), (138, 154133), (161, 132114), (194, 109641), (227, 93702), (291, 73094), (322, 66057), (454, 46851), (483, 44038), (582, 36547), (679, 31326), (681, 31234), (966, 22019), (1358, 15663), (1362, 15617), (1589, 13386), (2037, 10442), (2231, 9534), (3178, 6693), (4074, 5221), (4462, 4767)]