21127080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 70761600

約数和(自身を除く): 49634520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 467, 520, 580, 696, 754, 780, 870, 934, 1131, 1160, 1401, 1508, 1560, 1740, 1868, 1885, 2262, 2335, 2802, 3016, 3480, 3736, 3770, 4524, 4670, 5604, 5655, 6071, 7005, 7540, 9048, 9340, 11208, 11310, 12142, 13543, 14010, 15080, 18213, 18680, 22620, 24284, 27086, 28020, 30355, 36426, 40629, 45240, 48568, 54172, 56040, 60710, 67715, 72852, 81258, 91065, 108344, 121420, 135430, 145704, 162516, 176059, 182130, 203145, 242840, 270860, 325032, 352118, 364260, 406290, 528177, 541720, 704236, 728520, 812580, 880295, 1056354, 1408472, 1625160, 1760590, 2112708, 2640885, 3521180, 4225416, 5281770, 7042360, 10563540, 21127080]

約数ペア:

[(1, 21127080), (2, 10563540), (3, 7042360), (4, 5281770), (5, 4225416), (6, 3521180), (8, 2640885), (10, 2112708), (12, 1760590), (13, 1625160), (15, 1408472), (20, 1056354), (24, 880295), (26, 812580), (29, 728520), (30, 704236), (39, 541720), (40, 528177), (52, 406290), (58, 364260), (60, 352118), (65, 325032), (78, 270860), (87, 242840), (104, 203145), (116, 182130), (120, 176059), (130, 162516), (145, 145704), (156, 135430), (174, 121420), (195, 108344), (232, 91065), (260, 81258), (290, 72852), (312, 67715), (348, 60710), (377, 56040), (390, 54172), (435, 48568), (467, 45240), (520, 40629), (580, 36426), (696, 30355), (754, 28020), (780, 27086), (870, 24284), (934, 22620), (1131, 18680), (1160, 18213), (1401, 15080), (1508, 14010), (1560, 13543), (1740, 12142), (1868, 11310), (1885, 11208), (2262, 9340), (2335, 9048), (2802, 7540), (3016, 7005), (3480, 6071), (3736, 5655), (3770, 5604), (4524, 4670)]