21990504

素因数分解:

$2^3\times 3^1\times {\mathrm{887}}^1\times {\mathrm{1033}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 55091520

約数和(自身を除く): 33101016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 887, 1033, 1774, 2066, 2661, 3099, 3548, 4132, 5322, 6198, 7096, 8264, 10644, 12396, 21288, 24792, 916271, 1832542, 2748813, 3665084, 5497626, 7330168, 10995252, 21990504]

約数ペア:

[(1, 21990504), (2, 10995252), (3, 7330168), (4, 5497626), (6, 3665084), (8, 2748813), (12, 1832542), (24, 916271), (887, 24792), (1033, 21288), (1774, 12396), (2066, 10644), (2661, 8264), (3099, 7096), (3548, 6198), (4132, 5322)]