21426930

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3779}}^1$

素因数の和:3805

約数の個数: 80

約数和(自身を含む): 65862720

約数和(自身を除く): 44435790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3779, 5670, 7558, 11337, 18895, 22674, 26453, 34011, 37790, 52906, 56685, 68022, 79359, 102033, 113370, 132265, 158718, 170055, 204066, 238077, 264530, 306099, 340110, 396795, 476154, 510165, 612198, 714231, 793590, 1020330, 1190385, 1428462, 1530495, 2142693, 2380770, 3060990, 3571155, 4285386, 7142310, 10713465, 21426930]

約数ペア:

[(1, 21426930), (2, 10713465), (3, 7142310), (5, 4285386), (6, 3571155), (7, 3060990), (9, 2380770), (10, 2142693), (14, 1530495), (15, 1428462), (18, 1190385), (21, 1020330), (27, 793590), (30, 714231), (35, 612198), (42, 510165), (45, 476154), (54, 396795), (63, 340110), (70, 306099), (81, 264530), (90, 238077), (105, 204066), (126, 170055), (135, 158718), (162, 132265), (189, 113370), (210, 102033), (270, 79359), (315, 68022), (378, 56685), (405, 52906), (567, 37790), (630, 34011), (810, 26453), (945, 22674), (1134, 18895), (1890, 11337), (2835, 7558), (3779, 5670)]