21790600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 59957100

約数和(自身を除く): 38166500

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 29, 34, 40, 50, 52, 58, 65, 68, 85, 100, 104, 116, 130, 136, 145, 170, 200, 221, 232, 260, 289, 290, 325, 340, 377, 425, 442, 493, 520, 578, 580, 650, 680, 725, 754, 850, 884, 986, 1105, 1156, 1160, 1300, 1445, 1450, 1508, 1700, 1768, 1885, 1972, 2210, 2312, 2465, 2600, 2890, 2900, 3016, 3400, 3757, 3770, 3944, 4420, 4930, 5525, 5780, 5800, 6409, 7225, 7514, 7540, 8381, 8840, 9425, 9860, 11050, 11560, 12325, 12818, 14450, 15028, 15080, 16762, 18785, 18850, 19720, 22100, 24650, 25636, 28900, 30056, 32045, 33524, 37570, 37700, 41905, 44200, 49300, 51272, 57800, 64090, 67048, 75140, 75400, 83810, 93925, 98600, 108953, 128180, 150280, 160225, 167620, 187850, 209525, 217906, 256360, 320450, 335240, 375700, 419050, 435812, 544765, 640900, 751400, 838100, 871624, 1089530, 1281800, 1676200, 2179060, 2723825, 4358120, 5447650, 10895300, 21790600]

約数ペア:

[(1, 21790600), (2, 10895300), (4, 5447650), (5, 4358120), (8, 2723825), (10, 2179060), (13, 1676200), (17, 1281800), (20, 1089530), (25, 871624), (26, 838100), (29, 751400), (34, 640900), (40, 544765), (50, 435812), (52, 419050), (58, 375700), (65, 335240), (68, 320450), (85, 256360), (100, 217906), (104, 209525), (116, 187850), (130, 167620), (136, 160225), (145, 150280), (170, 128180), (200, 108953), (221, 98600), (232, 93925), (260, 83810), (289, 75400), (290, 75140), (325, 67048), (340, 64090), (377, 57800), (425, 51272), (442, 49300), (493, 44200), (520, 41905), (578, 37700), (580, 37570), (650, 33524), (680, 32045), (725, 30056), (754, 28900), (850, 25636), (884, 24650), (986, 22100), (1105, 19720), (1156, 18850), (1160, 18785), (1300, 16762), (1445, 15080), (1450, 15028), (1508, 14450), (1700, 12818), (1768, 12325), (1885, 11560), (1972, 11050), (2210, 9860), (2312, 9425), (2465, 8840), (2600, 8381), (2890, 7540), (2900, 7514), (3016, 7225), (3400, 6409), (3757, 5800), (3770, 5780), (3944, 5525), (4420, 4930)]