21217636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3797}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 40836096

約数和(自身を除く): 19618460

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3797, 5588, 7594, 15188, 41767, 83534, 167068, 482219, 964438, 1928876, 5304409, 10608818, 21217636]

約数ペア:

[(1, 21217636), (2, 10608818), (4, 5304409), (11, 1928876), (22, 964438), (44, 482219), (127, 167068), (254, 83534), (508, 41767), (1397, 15188), (2794, 7594), (3797, 5588)]