21991879023

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2775701}}^1$

素因数の和:2775862

約数の個数: 16

約数和(自身を含む): 31087862400

約数和(自身を除く): 9095983377

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 2775701, 8327103, 52738319, 158214957, 385822439, 1157467317, 7330626341, 21991879023]

約数ペア:

[(1, 21991879023), (3, 7330626341), (19, 1157467317), (57, 385822439), (139, 158214957), (417, 52738319), (2641, 8327103), (7923, 2775701)]