20921152007

素因数分解:

$7^1\times {\mathrm{1031}}^1\times {\mathrm{2898871}}^1$

素因数の和:2899909

約数の個数: 8

約数和(自身を含む): 23933087232

約数和(自身を除く): 3011935225

約数列:

[1, 7, 1031, 7217, 2898871, 20292097, 2988736001, 20921152007]

約数ペア:

[(1, 20921152007), (7, 2988736001), (1031, 20292097), (7217, 2898871)]