21985656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11897}}^1$

素因数の和:11924

約数の個数: 64

約数和(自身を含む): 68532480

約数和(自身を除く): 46546824

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11897, 23794, 35691, 47588, 71382, 83279, 95176, 130867, 142764, 166558, 249837, 261734, 285528, 333116, 392601, 499674, 523468, 666232, 785202, 916069, 999348, 1046936, 1570404, 1832138, 1998696, 2748207, 3140808, 3664276, 5496414, 7328552, 10992828, 21985656]

約数ペア:

[(1, 21985656), (2, 10992828), (3, 7328552), (4, 5496414), (6, 3664276), (7, 3140808), (8, 2748207), (11, 1998696), (12, 1832138), (14, 1570404), (21, 1046936), (22, 999348), (24, 916069), (28, 785202), (33, 666232), (42, 523468), (44, 499674), (56, 392601), (66, 333116), (77, 285528), (84, 261734), (88, 249837), (132, 166558), (154, 142764), (168, 130867), (231, 95176), (264, 83279), (308, 71382), (462, 47588), (616, 35691), (924, 23794), (1848, 11897)]