21068593

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13619}}^1$

素因数の和:13656

約数の個数: 16

約数和(自身を含む): 27457920

約数和(自身を除く): 6389327

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13619, 95333, 177047, 231523, 1239329, 1620661, 3009799, 21068593]

約数ペア:

[(1, 21068593), (7, 3009799), (13, 1620661), (17, 1239329), (91, 231523), (119, 177047), (221, 95333), (1547, 13619)]