21595080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 70963200

約数和(自身を除く): 49368120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 109, 120, 127, 130, 156, 195, 218, 254, 260, 312, 327, 381, 390, 436, 508, 520, 545, 635, 654, 762, 780, 872, 1016, 1090, 1270, 1308, 1417, 1524, 1560, 1635, 1651, 1905, 2180, 2540, 2616, 2834, 3048, 3270, 3302, 3810, 4251, 4360, 4953, 5080, 5668, 6540, 6604, 7085, 7620, 8255, 8502, 9906, 11336, 13080, 13208, 13843, 14170, 15240, 16510, 17004, 19812, 21255, 24765, 27686, 28340, 33020, 34008, 39624, 41529, 42510, 49530, 55372, 56680, 66040, 69215, 83058, 85020, 99060, 110744, 138430, 166116, 170040, 179959, 198120, 207645, 276860, 332232, 359918, 415290, 539877, 553720, 719836, 830580, 899795, 1079754, 1439672, 1661160, 1799590, 2159508, 2699385, 3599180, 4319016, 5398770, 7198360, 10797540, 21595080]

約数ペア:

[(1, 21595080), (2, 10797540), (3, 7198360), (4, 5398770), (5, 4319016), (6, 3599180), (8, 2699385), (10, 2159508), (12, 1799590), (13, 1661160), (15, 1439672), (20, 1079754), (24, 899795), (26, 830580), (30, 719836), (39, 553720), (40, 539877), (52, 415290), (60, 359918), (65, 332232), (78, 276860), (104, 207645), (109, 198120), (120, 179959), (127, 170040), (130, 166116), (156, 138430), (195, 110744), (218, 99060), (254, 85020), (260, 83058), (312, 69215), (327, 66040), (381, 56680), (390, 55372), (436, 49530), (508, 42510), (520, 41529), (545, 39624), (635, 34008), (654, 33020), (762, 28340), (780, 27686), (872, 24765), (1016, 21255), (1090, 19812), (1270, 17004), (1308, 16510), (1417, 15240), (1524, 14170), (1560, 13843), (1635, 13208), (1651, 13080), (1905, 11336), (2180, 9906), (2540, 8502), (2616, 8255), (2834, 7620), (3048, 7085), (3270, 6604), (3302, 6540), (3810, 5668), (4251, 5080), (4360, 4953)]