21260200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 144

約数和(自身を含む): 58204980

約数和(自身を除く): 36944780

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 37, 40, 50, 52, 65, 68, 74, 85, 100, 104, 130, 136, 148, 169, 170, 185, 200, 221, 260, 296, 325, 338, 340, 370, 425, 442, 481, 520, 629, 650, 676, 680, 740, 845, 850, 884, 925, 962, 1105, 1258, 1300, 1352, 1480, 1690, 1700, 1768, 1850, 1924, 2210, 2405, 2516, 2600, 2873, 3145, 3380, 3400, 3700, 3848, 4225, 4420, 4810, 5032, 5525, 5746, 6253, 6290, 6760, 7400, 8177, 8450, 8840, 9620, 11050, 11492, 12025, 12506, 12580, 14365, 15725, 16354, 16900, 19240, 22100, 22984, 24050, 25012, 25160, 28730, 31265, 31450, 32708, 33800, 40885, 44200, 48100, 50024, 57460, 62530, 62900, 65416, 71825, 81770, 96200, 106301, 114920, 125060, 125800, 143650, 156325, 163540, 204425, 212602, 250120, 287300, 312650, 327080, 408850, 425204, 531505, 574600, 625300, 817700, 850408, 1063010, 1250600, 1635400, 2126020, 2657525, 4252040, 5315050, 10630100, 21260200]

約数ペア:

[(1, 21260200), (2, 10630100), (4, 5315050), (5, 4252040), (8, 2657525), (10, 2126020), (13, 1635400), (17, 1250600), (20, 1063010), (25, 850408), (26, 817700), (34, 625300), (37, 574600), (40, 531505), (50, 425204), (52, 408850), (65, 327080), (68, 312650), (74, 287300), (85, 250120), (100, 212602), (104, 204425), (130, 163540), (136, 156325), (148, 143650), (169, 125800), (170, 125060), (185, 114920), (200, 106301), (221, 96200), (260, 81770), (296, 71825), (325, 65416), (338, 62900), (340, 62530), (370, 57460), (425, 50024), (442, 48100), (481, 44200), (520, 40885), (629, 33800), (650, 32708), (676, 31450), (680, 31265), (740, 28730), (845, 25160), (850, 25012), (884, 24050), (925, 22984), (962, 22100), (1105, 19240), (1258, 16900), (1300, 16354), (1352, 15725), (1480, 14365), (1690, 12580), (1700, 12506), (1768, 12025), (1850, 11492), (1924, 11050), (2210, 9620), (2405, 8840), (2516, 8450), (2600, 8177), (2873, 7400), (3145, 6760), (3380, 6290), (3400, 6253), (3700, 5746), (3848, 5525), (4225, 5032), (4420, 4810)]