21132661

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 23912640

約数和(自身を除く): 2779979

約数列:

[1, 11, 37, 137, 379, 407, 1507, 4169, 5069, 14023, 51923, 55759, 154253, 571153, 1921151, 21132661]

約数ペア:

[(1, 21132661), (11, 1921151), (37, 571153), (137, 154253), (379, 55759), (407, 51923), (1507, 14023), (4169, 5069)]