21012926

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5521}}^1$

素因数の和:5707

約数の個数: 16

約数和(自身を含む): 34589808

約数和(自身を除く): 13576882

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5521, 11042, 60731, 121462, 955133, 1910266, 10506463, 21012926]

約数ペア:

[(1, 21012926), (2, 10506463), (11, 1910266), (22, 955133), (173, 121462), (346, 60731), (1903, 11042), (3806, 5521)]