21000322576

素因数分解:

$2^4\times {\mathrm{1447}}^1\times {\mathrm{907063}}^1$

素因数の和:908518

約数の個数: 20

約数和(自身を含む): 40716288832

約数和(自身を除く): 19715966256

約数列:

[1, 2, 4, 8, 16, 1447, 2894, 5788, 11576, 23152, 907063, 1814126, 3628252, 7256504, 14513008, 1312520161, 2625040322, 5250080644, 10500161288, 21000322576]

約数ペア:

[(1, 21000322576), (2, 10500161288), (4, 5250080644), (8, 2625040322), (16, 1312520161), (1447, 14513008), (2894, 7256504), (5788, 3628252), (11576, 1814126), (23152, 907063)]