21031012

素因数分解:

$2^2\times {\mathrm{1129}}^1\times {\mathrm{4657}}^1$

素因数の和:5790

約数の個数: 12

約数和(自身を含む): 36844780

約数和(自身を除く): 15813768

約数列:

[1, 2, 4, 1129, 2258, 4516, 4657, 9314, 18628, 5257753, 10515506, 21031012]

約数ペア:

[(1, 21031012), (2, 10515506), (4, 5257753), (1129, 18628), (2258, 9314), (4516, 4657)]