21668569

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2440

約数の個数: 16

約数和(自身を含む): 25238080

約数和(自身を除く): 3569511

約数列:

[1, 13, 19, 37, 247, 481, 703, 2371, 9139, 30823, 45049, 87727, 585637, 1140451, 1666813, 21668569]

約数ペア:

[(1, 21668569), (13, 1666813), (19, 1140451), (37, 585637), (247, 87727), (481, 45049), (703, 30823), (2371, 9139)]