21717418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1\times {\mathrm{761}}^1$

素因数の和:1533

約数の個数: 16

約数和(自身を含む): 34381440

約数和(自身を除く): 12664022

約数列:

[1, 2, 19, 38, 751, 761, 1502, 1522, 14269, 14459, 28538, 28918, 571511, 1143022, 10858709, 21717418]

約数ペア:

[(1, 21717418), (2, 10858709), (19, 1143022), (38, 571511), (751, 28918), (761, 28538), (1502, 14459), (1522, 14269)]