21556918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21863}}^1$

素因数の和:21911

約数の個数: 16

約数和(自身を含む): 35419680

約数和(自身を除く): 13862762

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 21863, 43726, 371671, 634027, 743342, 1268054, 10778459, 21556918]

約数ペア:

[(1, 21556918), (2, 10778459), (17, 1268054), (29, 743342), (34, 634027), (58, 371671), (493, 43726), (986, 21863)]