21338118

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22367}}^1$

素因数の和:22428

約数の個数: 24

約数和(自身を含む): 47107008

約数和(自身を除く): 25768890

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22367, 44734, 67101, 134202, 201303, 402606, 1185451, 2370902, 3556353, 7112706, 10669059, 21338118]

約数ペア:

[(1, 21338118), (2, 10669059), (3, 7112706), (6, 3556353), (9, 2370902), (18, 1185451), (53, 402606), (106, 201303), (159, 134202), (318, 67101), (477, 44734), (954, 22367)]