21912886

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3803}}^1$

素因数の和:3915

約数の個数: 16

約数和(自身を含む): 34144704

約数和(自身を除く): 12231818

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3803, 5762, 7606, 163529, 254801, 327058, 509602, 10956443, 21912886]

約数ペア:

[(1, 21912886), (2, 10956443), (43, 509602), (67, 327058), (86, 254801), (134, 163529), (2881, 7606), (3803, 5762)]