21020028

素因数分解:

$2^2\times 3^1\times {\mathrm{1031}}^1\times {\mathrm{1699}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 49123200

約数和(自身を除く): 28103172

約数列:

[1, 2, 3, 4, 6, 12, 1031, 1699, 2062, 3093, 3398, 4124, 5097, 6186, 6796, 10194, 12372, 20388, 1751669, 3503338, 5255007, 7006676, 10510014, 21020028]

約数ペア:

[(1, 21020028), (2, 10510014), (3, 7006676), (4, 5255007), (6, 3503338), (12, 1751669), (1031, 20388), (1699, 12372), (2062, 10194), (3093, 6796), (3398, 6186), (4124, 5097)]