21879644

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{77041}}^1$

素因数の和:77116

約数の個数: 12

約数和(自身を含む): 38829168

約数和(自身を除く): 16949524

約数列:

[1, 2, 4, 71, 142, 284, 77041, 154082, 308164, 5469911, 10939822, 21879644]

約数ペア:

[(1, 21879644), (2, 10939822), (4, 5469911), (71, 308164), (142, 154082), (284, 77041)]