21277356

素因数分解:

$2^2\times 3^1\times {\mathrm{887}}^1\times {\mathrm{1999}}^1$

素因数の和:2893

約数の個数: 24

約数和(自身を含む): 49728000

約数和(自身を除く): 28450644

約数列:

[1, 2, 3, 4, 6, 12, 887, 1774, 1999, 2661, 3548, 3998, 5322, 5997, 7996, 10644, 11994, 23988, 1773113, 3546226, 5319339, 7092452, 10638678, 21277356]

約数ペア:

[(1, 21277356), (2, 10638678), (3, 7092452), (4, 5319339), (6, 3546226), (12, 1773113), (887, 23988), (1774, 11994), (1999, 10644), (2661, 7996), (3548, 5997), (3998, 5322)]