21737653

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1193}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 26363520

約数和(自身を除く): 4625867

約数列:

[1, 7, 19, 133, 137, 959, 1193, 2603, 8351, 18221, 22667, 158669, 163441, 1144087, 3105379, 21737653]

約数ペア:

[(1, 21737653), (7, 3105379), (19, 1144087), (133, 163441), (137, 158669), (959, 22667), (1193, 18221), (2603, 8351)]