21121804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1733}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 40492368

約数和(自身を除く): 19370564

約数列:

[1, 2, 4, 11, 22, 44, 277, 554, 1108, 1733, 3047, 3466, 6094, 6932, 12188, 19063, 38126, 76252, 480041, 960082, 1920164, 5280451, 10560902, 21121804]

約数ペア:

[(1, 21121804), (2, 10560902), (4, 5280451), (11, 1920164), (22, 960082), (44, 480041), (277, 76252), (554, 38126), (1108, 19063), (1733, 12188), (3047, 6932), (3466, 6094)]