21000201271

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1556839}}^1$

素因数の和:1556934

約数の個数: 16

約数和(自身を含む): 25108715520

約数和(自身を除く): 4108514249

約数列:

[1, 7, 41, 47, 287, 329, 1927, 13489, 1556839, 10897873, 63830399, 73171433, 446812793, 512200031, 3000028753, 21000201271]

約数ペア:

[(1, 21000201271), (7, 3000028753), (41, 512200031), (47, 446812793), (287, 73171433), (329, 63830399), (1927, 10897873), (13489, 1556839)]