21000478059

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{11813}}^1\times {\mathrm{17957}}^1$

素因数の和:29787

約数の個数: 24

約数和(自身を含む): 33096306672

約数和(自身を除く): 12095828613

約数列:

[1, 3, 9, 11, 33, 99, 11813, 17957, 35439, 53871, 106317, 129943, 161613, 197527, 389829, 592581, 1169487, 1777743, 212126041, 636378123, 1909134369, 2333386451, 7000159353, 21000478059]

約数ペア:

[(1, 21000478059), (3, 7000159353), (9, 2333386451), (11, 1909134369), (33, 636378123), (99, 212126041), (11813, 1777743), (17957, 1169487), (35439, 592581), (53871, 389829), (106317, 197527), (129943, 161613)]