21107926

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5009}}^1$

素因数の和:5068

約数の個数: 24

約数和(自身を含む): 37695240

約数和(自身を除く): 16587314

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 5009, 10018, 35063, 70126, 215387, 245441, 430774, 490882, 1507709, 3015418, 10553963, 21107926]

約数ペア:

[(1, 21107926), (2, 10553963), (7, 3015418), (14, 1507709), (43, 490882), (49, 430774), (86, 245441), (98, 215387), (301, 70126), (602, 35063), (2107, 10018), (4214, 5009)]