21042168

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 63406800

約数和(自身を除く): 42364632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 49, 56, 58, 84, 87, 98, 116, 147, 168, 174, 196, 203, 232, 294, 348, 392, 406, 588, 609, 617, 696, 812, 1176, 1218, 1234, 1421, 1624, 1851, 2436, 2468, 2842, 3702, 4263, 4319, 4872, 4936, 5684, 7404, 8526, 8638, 11368, 12957, 14808, 17052, 17276, 17893, 25914, 30233, 34104, 34552, 35786, 51828, 53679, 60466, 71572, 90699, 103656, 107358, 120932, 125251, 143144, 181398, 214716, 241864, 250502, 362796, 375753, 429432, 501004, 725592, 751506, 876757, 1002008, 1503012, 1753514, 2630271, 3006024, 3507028, 5260542, 7014056, 10521084, 21042168]

約数ペア:

[(1, 21042168), (2, 10521084), (3, 7014056), (4, 5260542), (6, 3507028), (7, 3006024), (8, 2630271), (12, 1753514), (14, 1503012), (21, 1002008), (24, 876757), (28, 751506), (29, 725592), (42, 501004), (49, 429432), (56, 375753), (58, 362796), (84, 250502), (87, 241864), (98, 214716), (116, 181398), (147, 143144), (168, 125251), (174, 120932), (196, 107358), (203, 103656), (232, 90699), (294, 71572), (348, 60466), (392, 53679), (406, 51828), (588, 35786), (609, 34552), (617, 34104), (696, 30233), (812, 25914), (1176, 17893), (1218, 17276), (1234, 17052), (1421, 14808), (1624, 12957), (1851, 11368), (2436, 8638), (2468, 8526), (2842, 7404), (3702, 5684), (4263, 4936), (4319, 4872)]