21062716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1451}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 39029760

約数和(自身を除く): 17967044

約数列:

[1, 2, 4, 19, 38, 76, 191, 382, 764, 1451, 2902, 3629, 5804, 7258, 14516, 27569, 55138, 110276, 277141, 554282, 1108564, 5265679, 10531358, 21062716]

約数ペア:

[(1, 21062716), (2, 10531358), (4, 5265679), (19, 1108564), (38, 554282), (76, 277141), (191, 110276), (382, 55138), (764, 27569), (1451, 14516), (2902, 7258), (3629, 5804)]