21025444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43441}}^1$

素因数の和:43467

約数の個数: 18

約数和(自身を含む): 40444502

約数和(自身を除く): 19419058

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 43441, 86882, 173764, 477851, 955702, 1911404, 5256361, 10512722, 21025444]

約数ペア:

[(1, 21025444), (2, 10512722), (4, 5256361), (11, 1911404), (22, 955702), (44, 477851), (121, 173764), (242, 86882), (484, 43441)]