21159917

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 23265792

約数和(自身を除く): 2105875

約数列:

[1, 17, 47, 71, 373, 799, 1207, 3337, 6341, 17531, 26483, 56729, 298027, 450211, 1244701, 21159917]

約数ペア:

[(1, 21159917), (17, 1244701), (47, 450211), (71, 298027), (373, 56729), (799, 26483), (1207, 17531), (3337, 6341)]