2021867267

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{126739}}^1$

素因数の和:126842

約数の個数: 16

約数和(自身を含む): 2409073920

約数和(自身を除く): 387206653

約数列:

[1, 7, 43, 53, 301, 371, 2279, 15953, 126739, 887173, 5449777, 6717167, 38148439, 47020169, 288838181, 2021867267]

約数ペア:

[(1, 2021867267), (7, 288838181), (43, 47020169), (53, 38148439), (301, 6717167), (371, 5449777), (2279, 887173), (15953, 126739)]