21896792

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{25111}}^1$

素因数の和:25226

約数の個数: 16

約数和(自身を含む): 41434800

約数和(自身を除く): 19538008

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 25111, 50222, 100444, 200888, 2737099, 5474198, 10948396, 21896792]

約数ペア:

[(1, 21896792), (2, 10948396), (4, 5474198), (8, 2737099), (109, 200888), (218, 100444), (436, 50222), (872, 25111)]