21072804

素因数分解:

$2^2\times 3^1\times {\mathrm{1279}}^1\times {\mathrm{1373}}^1$

素因数の和:2659

約数の個数: 24

約数和(自身を含む): 49244160

約数和(自身を除く): 28171356

約数列:

[1, 2, 3, 4, 6, 12, 1279, 1373, 2558, 2746, 3837, 4119, 5116, 5492, 7674, 8238, 15348, 16476, 1756067, 3512134, 5268201, 7024268, 10536402, 21072804]

約数ペア:

[(1, 21072804), (2, 10536402), (3, 7024268), (4, 5268201), (6, 3512134), (12, 1756067), (1279, 16476), (1373, 15348), (2558, 8238), (2746, 7674), (3837, 5492), (4119, 5116)]