21778237

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2383}}^1$

素因数の和:2452

約数の個数: 16

約数和(自身を含む): 25365760

約数和(自身を除く): 3587523

約数列:

[1, 13, 19, 37, 247, 481, 703, 2383, 9139, 30979, 45277, 88171, 588601, 1146223, 1675249, 21778237]

約数ペア:

[(1, 21778237), (13, 1675249), (19, 1146223), (37, 588601), (247, 88171), (481, 45277), (703, 30979), (2383, 9139)]