21308724

素因数分解:

$2^2\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1033}}^1$

素因数の和:1237

約数の個数: 48

約数和(自身を含む): 55587840

約数和(自身を除く): 34279116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 191, 382, 573, 764, 1033, 1146, 1719, 2066, 2292, 3099, 3438, 4132, 5157, 6198, 6876, 9297, 10314, 12396, 18594, 20628, 27891, 37188, 55782, 111564, 197303, 394606, 591909, 789212, 1183818, 1775727, 2367636, 3551454, 5327181, 7102908, 10654362, 21308724]

約数ペア:

[(1, 21308724), (2, 10654362), (3, 7102908), (4, 5327181), (6, 3551454), (9, 2367636), (12, 1775727), (18, 1183818), (27, 789212), (36, 591909), (54, 394606), (108, 197303), (191, 111564), (382, 55782), (573, 37188), (764, 27891), (1033, 20628), (1146, 18594), (1719, 12396), (2066, 10314), (2292, 9297), (3099, 6876), (3438, 6198), (4132, 5157)]