2021991837

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{178259}}^1$

素因数の和:178480

約数の個数: 16

約数和(自身を含む): 2852160000

約数和(自身を除く): 830168163

約数列:

[1, 3, 19, 57, 199, 597, 3781, 11343, 178259, 534777, 3386921, 10160763, 35473541, 106420623, 673997279, 2021991837]

約数ペア:

[(1, 2021991837), (3, 673997279), (19, 106420623), (57, 35473541), (199, 10160763), (597, 3386921), (3781, 534777), (11343, 178259)]