21467204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{487891}}^1$

素因数の和:487906

約数の個数: 12

約数和(自身を含む): 40982928

約数和(自身を除く): 19515724

約数列:

[1, 2, 4, 11, 22, 44, 487891, 975782, 1951564, 5366801, 10733602, 21467204]

約数ペア:

[(1, 21467204), (2, 10733602), (4, 5366801), (11, 1951564), (22, 975782), (44, 487891)]