21080822404

素因数分解:

$2^2\times {\mathrm{277}}^1\times {\mathrm{19026013}}^1$

素因数の和:19026294

約数の個数: 12

約数和(自身を含む): 37024623244

約数和(自身を除く): 15943800840

約数列:

[1, 2, 4, 277, 554, 1108, 19026013, 38052026, 76104052, 5270205601, 10540411202, 21080822404]

約数ペア:

[(1, 21080822404), (2, 10540411202), (4, 5270205601), (277, 76104052), (554, 38052026), (1108, 19026013)]