21000507222

素因数分解:

$2^1\times 3^1\times {\mathrm{947}}^1\times {\mathrm{3695971}}^1$

素因数の和:3696923

約数の個数: 16

約数和(自身を含む): 42045377472

約数和(自身を除く): 21044870250

約数列:

[1, 2, 3, 6, 947, 1894, 2841, 5682, 3695971, 7391942, 11087913, 22175826, 3500084537, 7000169074, 10500253611, 21000507222]

約数ペア:

[(1, 21000507222), (2, 10500253611), (3, 7000169074), (6, 3500084537), (947, 22175826), (1894, 11087913), (2841, 7391942), (5682, 3695971)]