21203480

素因数分解:

$2^3\times 5^1\times {\mathrm{530087}}^1$

素因数の和:530098

約数の個数: 16

約数和(自身を含む): 47707920

約数和(自身を除く): 26504440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 530087, 1060174, 2120348, 2650435, 4240696, 5300870, 10601740, 21203480]

約数ペア:

[(1, 21203480), (2, 10601740), (4, 5300870), (5, 4240696), (8, 2650435), (10, 2120348), (20, 1060174), (40, 530087)]