21350832

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 59579520

約数和(自身を除く): 38228688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 41, 48, 57, 76, 82, 114, 123, 152, 164, 228, 246, 304, 328, 456, 492, 571, 656, 779, 912, 984, 1142, 1558, 1713, 1968, 2284, 2337, 3116, 3426, 4568, 4674, 6232, 6852, 9136, 9348, 10849, 12464, 13704, 18696, 21698, 23411, 27408, 32547, 37392, 43396, 46822, 65094, 70233, 86792, 93644, 130188, 140466, 173584, 187288, 260376, 280932, 374576, 444809, 520752, 561864, 889618, 1123728, 1334427, 1779236, 2668854, 3558472, 5337708, 7116944, 10675416, 21350832]

約数ペア:

[(1, 21350832), (2, 10675416), (3, 7116944), (4, 5337708), (6, 3558472), (8, 2668854), (12, 1779236), (16, 1334427), (19, 1123728), (24, 889618), (38, 561864), (41, 520752), (48, 444809), (57, 374576), (76, 280932), (82, 260376), (114, 187288), (123, 173584), (152, 140466), (164, 130188), (228, 93644), (246, 86792), (304, 70233), (328, 65094), (456, 46822), (492, 43396), (571, 37392), (656, 32547), (779, 27408), (912, 23411), (984, 21698), (1142, 18696), (1558, 13704), (1713, 12464), (1968, 10849), (2284, 9348), (2337, 9136), (3116, 6852), (3426, 6232), (4568, 4674)]