21354528

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 61471872

約数和(自身を除く): 40117344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 71, 78, 96, 104, 142, 156, 208, 213, 241, 284, 312, 416, 426, 482, 568, 624, 723, 852, 923, 964, 1136, 1248, 1446, 1704, 1846, 1928, 2272, 2769, 2892, 3133, 3408, 3692, 3856, 5538, 5784, 6266, 6816, 7384, 7712, 9399, 11076, 11568, 12532, 14768, 17111, 18798, 22152, 23136, 25064, 29536, 34222, 37596, 44304, 50128, 51333, 68444, 75192, 88608, 100256, 102666, 136888, 150384, 205332, 222443, 273776, 300768, 410664, 444886, 547552, 667329, 821328, 889772, 1334658, 1642656, 1779544, 2669316, 3559088, 5338632, 7118176, 10677264, 21354528]

約数ペア:

[(1, 21354528), (2, 10677264), (3, 7118176), (4, 5338632), (6, 3559088), (8, 2669316), (12, 1779544), (13, 1642656), (16, 1334658), (24, 889772), (26, 821328), (32, 667329), (39, 547552), (48, 444886), (52, 410664), (71, 300768), (78, 273776), (96, 222443), (104, 205332), (142, 150384), (156, 136888), (208, 102666), (213, 100256), (241, 88608), (284, 75192), (312, 68444), (416, 51333), (426, 50128), (482, 44304), (568, 37596), (624, 34222), (723, 29536), (852, 25064), (923, 23136), (964, 22152), (1136, 18798), (1248, 17111), (1446, 14768), (1704, 12532), (1846, 11568), (1928, 11076), (2272, 9399), (2769, 7712), (2892, 7384), (3133, 6816), (3408, 6266), (3692, 5784), (3856, 5538)]