21079899

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{21101}}^1$

素因数の和:21147

約数の個数: 16

約数和(自身を含む): 32075040

約数和(自身を除く): 10995141

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 21101, 63303, 189909, 569727, 780737, 2342211, 7026633, 21079899]

約数ペア:

[(1, 21079899), (3, 7026633), (9, 2342211), (27, 780737), (37, 569727), (111, 189909), (333, 63303), (999, 21101)]