21404236

素因数分解:

$2^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{2609}}^1$

素因数の和:2913

約数の個数: 24

約数和(自身を含む): 42971040

約数和(自身を除く): 21566804

約数列:

[1, 2, 4, 7, 14, 28, 293, 586, 1172, 2051, 2609, 4102, 5218, 8204, 10436, 18263, 36526, 73052, 764437, 1528874, 3057748, 5351059, 10702118, 21404236]

約数ペア:

[(1, 21404236), (2, 10702118), (4, 5351059), (7, 3057748), (14, 1528874), (28, 764437), (293, 73052), (586, 36526), (1172, 18263), (2051, 10436), (2609, 8204), (4102, 5218)]