21568492

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44563}}^1$

素因数の和:44589

約数の個数: 18

約数和(自身を含む): 41489084

約数和(自身を除く): 19920592

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44563, 89126, 178252, 490193, 980386, 1960772, 5392123, 10784246, 21568492]

約数ペア:

[(1, 21568492), (2, 10784246), (4, 5392123), (11, 1960772), (22, 980386), (44, 490193), (121, 178252), (242, 89126), (484, 44563)]