21204564

素因数分解:

$2^2\times 3^1\times {\mathrm{397}}^1\times {\mathrm{4451}}^1$

素因数の和:4855

約数の個数: 24

約数和(自身を含む): 49613088

約数和(自身を除く): 28408524

約数列:

[1, 2, 3, 4, 6, 12, 397, 794, 1191, 1588, 2382, 4451, 4764, 8902, 13353, 17804, 26706, 53412, 1767047, 3534094, 5301141, 7068188, 10602282, 21204564]

約数ペア:

[(1, 21204564), (2, 10602282), (3, 7068188), (4, 5301141), (6, 3534094), (12, 1767047), (397, 53412), (794, 26706), (1191, 17804), (1588, 13353), (2382, 8902), (4451, 4764)]