21978866

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{120763}}^1$

素因数の和:120785

約数の個数: 16

約数和(自身を含む): 40576704

約数和(自身を除く): 18597838

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 120763, 241526, 845341, 1569919, 1690682, 3139838, 10989433, 21978866]

約数ペア:

[(1, 21978866), (2, 10989433), (7, 3139838), (13, 1690682), (14, 1569919), (26, 845341), (91, 241526), (182, 120763)]