21064076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{478729}}^1$

素因数の和:478744

約数の個数: 12

約数和(自身を含む): 40213320

約数和(自身を除く): 19149244

約数列:

[1, 2, 4, 11, 22, 44, 478729, 957458, 1914916, 5266019, 10532038, 21064076]

約数ペア:

[(1, 21064076), (2, 10532038), (4, 5266019), (11, 1914916), (22, 957458), (44, 478729)]