21398204266

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{3637913}}^1$

素因数の和:3638105

約数の個数: 16

約数和(自身を含む): 34181839944

約数和(自身を除く): 12783635678

約数列:

[1, 2, 17, 34, 173, 346, 2941, 5882, 3637913, 7275826, 61844521, 123689042, 629358949, 1258717898, 10699102133, 21398204266]

約数ペア:

[(1, 21398204266), (2, 10699102133), (17, 1258717898), (34, 629358949), (173, 123689042), (346, 61844521), (2941, 7275826), (5882, 3637913)]