21049204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{478391}}^1$

素因数の和:478406

約数の個数: 12

約数和(自身を含む): 40184928

約数和(自身を除く): 19135724

約数列:

[1, 2, 4, 11, 22, 44, 478391, 956782, 1913564, 5262301, 10524602, 21049204]

約数ペア:

[(1, 21049204), (2, 10524602), (4, 5262301), (11, 1913564), (22, 956782), (44, 478391)]