21001212

素因数分解:

$2^2\times 3^2\times {\mathrm{583367}}^1$

素因数の和:583377

約数の個数: 18

約数和(自身を含む): 53086488

約数和(自身を除く): 32085276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 583367, 1166734, 1750101, 2333468, 3500202, 5250303, 7000404, 10500606, 21001212]

約数ペア:

[(1, 21001212), (2, 10500606), (3, 7000404), (4, 5250303), (6, 3500202), (9, 2333468), (12, 1750101), (18, 1166734), (36, 583367)]