21991762

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1193}}^1$

素因数の和:1917

約数の個数: 16

約数和(自身を含む): 35605080

約数和(自身を除く): 13613318

約数列:

[1, 2, 13, 26, 709, 1193, 1418, 2386, 9217, 15509, 18434, 31018, 845837, 1691674, 10995881, 21991762]

約数ペア:

[(1, 21991762), (2, 10995881), (13, 1691674), (26, 845837), (709, 31018), (1193, 18434), (1418, 15509), (2386, 9217)]