21313338

素因数分解:

$2^1\times 3^1\times {\mathrm{1777}}^1\times {\mathrm{1999}}^1$

素因数の和:3781

約数の個数: 16

約数和(自身を含む): 42672000

約数和(自身を除く): 21358662

約数列:

[1, 2, 3, 6, 1777, 1999, 3554, 3998, 5331, 5997, 10662, 11994, 3552223, 7104446, 10656669, 21313338]

約数ペア:

[(1, 21313338), (2, 10656669), (3, 7104446), (6, 3552223), (1777, 11994), (1999, 10662), (3554, 5997), (3998, 5331)]