21820716

素因数分解:

$2^2\times 3^2\times {\mathrm{606131}}^1$

素因数の和:606141

約数の個数: 18

約数和(自身を含む): 55158012

約数和(自身を除く): 33337296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 606131, 1212262, 1818393, 2424524, 3636786, 5455179, 7273572, 10910358, 21820716]

約数ペア:

[(1, 21820716), (2, 10910358), (3, 7273572), (4, 5455179), (6, 3636786), (9, 2424524), (12, 1818393), (18, 1212262), (36, 606131)]