2021131678

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1\times {\mathrm{20219}}^1$

素因数の和:20703

約数の個数: 16

約数和(自身を含む): 3061146240

約数和(自身を除く): 1040014562

約数列:

[1, 2, 151, 302, 331, 662, 20219, 40438, 49981, 99962, 3053069, 6106138, 6692489, 13384978, 1010565839, 2021131678]

約数ペア:

[(1, 2021131678), (2, 1010565839), (151, 13384978), (302, 6692489), (331, 6106138), (662, 3053069), (20219, 99962), (40438, 49981)]