21794978

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1619}}^1$

素因数の和:1801

約数の個数: 16

約数和(自身を含む): 33592320

約数和(自身を除く): 11797342

約数列:

[1, 2, 53, 106, 127, 254, 1619, 3238, 6731, 13462, 85807, 171614, 205613, 411226, 10897489, 21794978]

約数ペア:

[(1, 21794978), (2, 10897489), (53, 411226), (106, 205613), (127, 171614), (254, 85807), (1619, 13462), (3238, 6731)]