21665794

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 24

約数和(自身を含む): 34392708

約数和(自身を除く): 12726914

約数列:

[1, 2, 37, 41, 74, 82, 193, 386, 1369, 1517, 2738, 3034, 7141, 7913, 14282, 15826, 56129, 112258, 264217, 292781, 528434, 585562, 10832897, 21665794]

約数ペア:

[(1, 21665794), (2, 10832897), (37, 585562), (41, 528434), (74, 292781), (82, 264217), (193, 112258), (386, 56129), (1369, 15826), (1517, 14282), (2738, 7913), (3034, 7141)]