21518222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51479}}^1$

素因数の和:51511

約数の個数: 16

約数和(自身を含む): 37065600

約数和(自身を除く): 15547378

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51479, 102958, 566269, 978101, 1132538, 1956202, 10759111, 21518222]

約数ペア:

[(1, 21518222), (2, 10759111), (11, 1956202), (19, 1132538), (22, 978101), (38, 566269), (209, 102958), (418, 51479)]