21089019

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{17021}}^1$

素因数の和:17090

約数の個数: 16

約数和(自身を含む): 32682240

約数和(自身を除く): 11593221

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 17021, 51063, 119147, 357441, 1004239, 3012717, 7029673, 21089019]

約数ペア:

[(1, 21089019), (3, 7029673), (7, 3012717), (21, 1004239), (59, 357441), (177, 119147), (413, 51063), (1239, 17021)]