21000279704

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{4831}}^1$

素因数の和:5364

約数の個数: 64

約数和(自身を含む): 41826758400

約数和(自身を除く): 20826478696

約数列:

[1, 2, 4, 8, 29, 41, 58, 82, 116, 164, 232, 328, 457, 914, 1189, 1828, 2378, 3656, 4756, 4831, 9512, 9662, 13253, 18737, 19324, 26506, 37474, 38648, 53012, 74948, 106024, 140099, 149896, 198071, 280198, 396142, 543373, 560396, 792284, 1086746, 1120792, 1584568, 2173492, 2207767, 4346984, 4415534, 5744059, 8831068, 11488118, 17662136, 22976236, 45952472, 64025243, 90518447, 128050486, 181036894, 256100972, 362073788, 512201944, 724147576, 2625034963, 5250069926, 10500139852, 21000279704]

約数ペア:

[(1, 21000279704), (2, 10500139852), (4, 5250069926), (8, 2625034963), (29, 724147576), (41, 512201944), (58, 362073788), (82, 256100972), (116, 181036894), (164, 128050486), (232, 90518447), (328, 64025243), (457, 45952472), (914, 22976236), (1189, 17662136), (1828, 11488118), (2378, 8831068), (3656, 5744059), (4756, 4415534), (4831, 4346984), (9512, 2207767), (9662, 2173492), (13253, 1584568), (18737, 1120792), (19324, 1086746), (26506, 792284), (37474, 560396), (38648, 543373), (53012, 396142), (74948, 280198), (106024, 198071), (140099, 149896)]