21112063

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 24758784

約数和(自身を除く): 3646721

約数列:

[1, 7, 71, 107, 397, 497, 749, 2779, 7597, 28187, 42479, 53179, 197309, 297353, 3016009, 21112063]

約数ペア:

[(1, 21112063), (7, 3016009), (71, 297353), (107, 197309), (397, 53179), (497, 42479), (749, 28187), (2779, 7597)]