21074790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63863}}^1$

素因数の和:63884

約数の個数: 32

約数和(自身を含む): 55178496

約数和(自身を除く): 34103706

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63863, 127726, 191589, 319315, 383178, 638630, 702493, 957945, 1404986, 1915890, 2107479, 3512465, 4214958, 7024930, 10537395, 21074790]

約数ペア:

[(1, 21074790), (2, 10537395), (3, 7024930), (5, 4214958), (6, 3512465), (10, 2107479), (11, 1915890), (15, 1404986), (22, 957945), (30, 702493), (33, 638630), (55, 383178), (66, 319315), (110, 191589), (165, 127726), (330, 63863)]