21386851

素因数分解:

${\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:294

約数の個数: 16

約数和(自身を含む): 22790880

約数和(自身を除く): 1404029

約数列:

[1, 37, 59, 97, 101, 2183, 3589, 3737, 5723, 5959, 9797, 211751, 220483, 362489, 578023, 21386851]

約数ペア:

[(1, 21386851), (37, 578023), (59, 362489), (97, 220483), (101, 211751), (2183, 9797), (3589, 5959), (3737, 5723)]