21265548

素因数分解:

$2^2\times 3^1\times {\mathrm{347}}^1\times {\mathrm{5107}}^1$

素因数の和:5461

約数の個数: 24

約数和(自身を含む): 49772352

約数和(自身を除く): 28506804

約数列:

[1, 2, 3, 4, 6, 12, 347, 694, 1041, 1388, 2082, 4164, 5107, 10214, 15321, 20428, 30642, 61284, 1772129, 3544258, 5316387, 7088516, 10632774, 21265548]

約数ペア:

[(1, 21265548), (2, 10632774), (3, 7088516), (4, 5316387), (6, 3544258), (12, 1772129), (347, 61284), (694, 30642), (1041, 20428), (1388, 15321), (2082, 10214), (4164, 5107)]