21337620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12263}}^1$

素因数の和:12304

約数の個数: 48

約数和(自身を含む): 61810560

約数和(自身を除く): 40472940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12263, 24526, 36789, 49052, 61315, 73578, 122630, 147156, 183945, 245260, 355627, 367890, 711254, 735780, 1066881, 1422508, 1778135, 2133762, 3556270, 4267524, 5334405, 7112540, 10668810, 21337620]

約数ペア:

[(1, 21337620), (2, 10668810), (3, 7112540), (4, 5334405), (5, 4267524), (6, 3556270), (10, 2133762), (12, 1778135), (15, 1422508), (20, 1066881), (29, 735780), (30, 711254), (58, 367890), (60, 355627), (87, 245260), (116, 183945), (145, 147156), (174, 122630), (290, 73578), (348, 61315), (435, 49052), (580, 36789), (870, 24526), (1740, 12263)]