21131446204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2514451}}^1$

素因数の和:2514657

約数の個数: 24

約数和(自身を含む): 40553081856

約数和(自身を除く): 19421635652

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 4202, 8404, 2514451, 5028902, 10057804, 27658961, 55317922, 110635844, 480260141, 960520282, 1921040564, 5282861551, 10565723102, 21131446204]

約数ペア:

[(1, 21131446204), (2, 10565723102), (4, 5282861551), (11, 1921040564), (22, 960520282), (44, 480260141), (191, 110635844), (382, 55317922), (764, 27658961), (2101, 10057804), (4202, 5028902), (8404, 2514451)]