2021056009

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{9767}}^1$

素因数の和:9925

約数の個数: 24

約数和(自身を含む): 2431997568

約数和(自身を除く): 410941559

約数列:

[1, 7, 41, 49, 103, 287, 721, 2009, 4223, 5047, 9767, 29561, 68369, 206927, 400447, 478583, 1006001, 2803129, 7042007, 19621903, 41246041, 49294049, 288722287, 2021056009]

約数ペア:

[(1, 2021056009), (7, 288722287), (41, 49294049), (49, 41246041), (103, 19621903), (287, 7042007), (721, 2803129), (2009, 1006001), (4223, 478583), (5047, 400447), (9767, 206927), (29561, 68369)]