21740068

素因数分解:

$2^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2803}}^1$

素因数の和:3091

約数の個数: 24

約数和(自身を含む): 43652672

約数和(自身を除く): 21912604

約数列:

[1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 2803, 3878, 5606, 7756, 11212, 19621, 39242, 78484, 776431, 1552862, 3105724, 5435017, 10870034, 21740068]

約数ペア:

[(1, 21740068), (2, 10870034), (4, 5435017), (7, 3105724), (14, 1552862), (28, 776431), (277, 78484), (554, 39242), (1108, 19621), (1939, 11212), (2803, 7756), (3878, 5606)]