21256041

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{1033}}^1$

素因数の和:1093

約数の個数: 16

約数和(自身を含む): 29944640

約数和(自身を除く): 8688599

約数列:

[1, 3, 19, 57, 361, 1033, 1083, 3099, 6859, 19627, 20577, 58881, 372913, 1118739, 7085347, 21256041]

約数ペア:

[(1, 21256041), (3, 7085347), (19, 1118739), (57, 372913), (361, 58881), (1033, 20577), (1083, 19627), (3099, 6859)]