21404404

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2017}}^1$

素因数の和:2407

約数の個数: 24

約数和(自身を含む): 42943040

約数和(自身を除く): 21538636

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 2017, 2653, 4034, 5306, 8068, 10612, 14119, 28238, 56476, 764443, 1528886, 3057772, 5351101, 10702202, 21404404]

約数ペア:

[(1, 21404404), (2, 10702202), (4, 5351101), (7, 3057772), (14, 1528886), (28, 764443), (379, 56476), (758, 28238), (1516, 14119), (2017, 10612), (2653, 8068), (4034, 5306)]