2021301215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{303271}}^1$

素因数の和:303350

約数の個数: 16

約数和(自身を含む): 2562041856

約数和(自身を除く): 540740641

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 303271, 1516355, 9401401, 13040653, 47007005, 65203265, 404260243, 2021301215]

約数ペア:

[(1, 2021301215), (5, 404260243), (31, 65203265), (43, 47007005), (155, 13040653), (215, 9401401), (1333, 1516355), (6665, 303271)]