21704012

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44843}}^1$

素因数の和:44869

約数の個数: 18

約数和(自身を含む): 41749764

約数和(自身を除く): 20045752

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44843, 89686, 179372, 493273, 986546, 1973092, 5426003, 10852006, 21704012]

約数ペア:

[(1, 21704012), (2, 10852006), (4, 5426003), (11, 1973092), (22, 986546), (44, 493273), (121, 179372), (242, 89686), (484, 44843)]