2021178711

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{761}}^1\times {\mathrm{6971}}^1$

素因数の和:7862

約数の個数: 16

約数和(自身を含む): 2720083968

約数和(自身を除く): 698905257

約数列:

[1, 3, 127, 381, 761, 2283, 6971, 20913, 96647, 289941, 885317, 2655951, 5304931, 15914793, 673726237, 2021178711]

約数ペア:

[(1, 2021178711), (3, 673726237), (127, 15914793), (381, 5304931), (761, 2655951), (2283, 885317), (6971, 289941), (20913, 96647)]