21027769968

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{17327}}^1$

素因数の和:17662

約数の個数: 80

約数和(自身を含む): 55023192576

約数和(自身を除く): 33995422608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 193, 262, 386, 393, 524, 579, 772, 786, 1048, 1158, 1544, 1572, 2096, 2316, 3088, 3144, 4632, 6288, 9264, 17327, 25283, 34654, 50566, 51981, 69308, 75849, 101132, 103962, 138616, 151698, 202264, 207924, 277232, 303396, 404528, 415848, 606792, 831696, 1213584, 2269837, 3344111, 4539674, 6688222, 6809511, 9079348, 10032333, 13376444, 13619022, 18158696, 20064666, 26752888, 27238044, 36317392, 40129332, 53505776, 54476088, 80258664, 108952176, 160517328, 438078541, 876157082, 1314235623, 1752314164, 2628471246, 3504628328, 5256942492, 7009256656, 10513884984, 21027769968]

約数ペア:

[(1, 21027769968), (2, 10513884984), (3, 7009256656), (4, 5256942492), (6, 3504628328), (8, 2628471246), (12, 1752314164), (16, 1314235623), (24, 876157082), (48, 438078541), (131, 160517328), (193, 108952176), (262, 80258664), (386, 54476088), (393, 53505776), (524, 40129332), (579, 36317392), (772, 27238044), (786, 26752888), (1048, 20064666), (1158, 18158696), (1544, 13619022), (1572, 13376444), (2096, 10032333), (2316, 9079348), (3088, 6809511), (3144, 6688222), (4632, 4539674), (6288, 3344111), (9264, 2269837), (17327, 1213584), (25283, 831696), (34654, 606792), (50566, 415848), (51981, 404528), (69308, 303396), (75849, 277232), (101132, 207924), (103962, 202264), (138616, 151698)]