21791952

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1697

約数の個数: 120

約数和(自身を含む): 75106304

約数和(自身を除く): 53314352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1663, 1872, 2184, 3276, 3326, 4368, 4989, 6552, 6652, 9978, 11641, 13104, 13304, 14967, 19956, 21619, 23282, 26608, 29934, 34923, 39912, 43238, 46564, 59868, 64857, 69846, 79824, 86476, 93128, 104769, 119736, 129714, 139692, 151333, 172952, 186256, 194571, 209538, 239472, 259428, 279384, 302666, 345904, 389142, 419076, 453999, 518856, 558768, 605332, 778284, 838152, 907998, 1037712, 1210664, 1361997, 1556568, 1676304, 1815996, 2421328, 2723994, 3113136, 3631992, 5447988, 7263984, 10895976, 21791952]

約数ペア:

[(1, 21791952), (2, 10895976), (3, 7263984), (4, 5447988), (6, 3631992), (7, 3113136), (8, 2723994), (9, 2421328), (12, 1815996), (13, 1676304), (14, 1556568), (16, 1361997), (18, 1210664), (21, 1037712), (24, 907998), (26, 838152), (28, 778284), (36, 605332), (39, 558768), (42, 518856), (48, 453999), (52, 419076), (56, 389142), (63, 345904), (72, 302666), (78, 279384), (84, 259428), (91, 239472), (104, 209538), (112, 194571), (117, 186256), (126, 172952), (144, 151333), (156, 139692), (168, 129714), (182, 119736), (208, 104769), (234, 93128), (252, 86476), (273, 79824), (312, 69846), (336, 64857), (364, 59868), (468, 46564), (504, 43238), (546, 39912), (624, 34923), (728, 29934), (819, 26608), (936, 23282), (1008, 21619), (1092, 19956), (1456, 14967), (1638, 13304), (1663, 13104), (1872, 11641), (2184, 9978), (3276, 6652), (3326, 6552), (4368, 4989)]