21955583

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 3204097

約数列:

[1, 13, 19, 103, 247, 863, 1339, 1957, 11219, 16397, 25441, 88889, 213161, 1155557, 1688891, 21955583]

約数ペア:

[(1, 21955583), (13, 1688891), (19, 1155557), (103, 213161), (247, 88889), (863, 25441), (1339, 16397), (1957, 11219)]