21016468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3761}}^1$

素因数の和:3903

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 19432556

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3761, 5588, 7522, 15044, 41371, 82742, 165484, 477647, 955294, 1910588, 5254117, 10508234, 21016468]

約数ペア:

[(1, 21016468), (2, 10508234), (4, 5254117), (11, 1910588), (22, 955294), (44, 477647), (127, 165484), (254, 82742), (508, 41371), (1397, 15044), (2794, 7522), (3761, 5588)]