21149776

素因数分解:

$2^4\times {\mathrm{911}}^1\times {\mathrm{1451}}^1$

素因数の和:2370

約数の個数: 20

約数和(自身を含む): 41050944

約数和(自身を除く): 19901168

約数列:

[1, 2, 4, 8, 16, 911, 1451, 1822, 2902, 3644, 5804, 7288, 11608, 14576, 23216, 1321861, 2643722, 5287444, 10574888, 21149776]

約数ペア:

[(1, 21149776), (2, 10574888), (4, 5287444), (8, 2643722), (16, 1321861), (911, 23216), (1451, 14576), (1822, 11608), (2902, 7288), (3644, 5804)]