21000388629

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{2657}}^1\times {\mathrm{239509}}^1$

素因数の和:242180

約数の個数: 16

約数和(自身を含む): 30557643840

約数和(自身を除く): 9557255211

約数列:

[1, 3, 11, 33, 2657, 7971, 29227, 87681, 239509, 718527, 2634599, 7903797, 636375413, 1909126239, 7000129543, 21000388629]

約数ペア:

[(1, 21000388629), (3, 7000129543), (11, 1909126239), (33, 636375413), (2657, 7903797), (7971, 2634599), (29227, 718527), (87681, 239509)]