21784986

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{11311}}^1$

素因数の和:11426

約数の個数: 24

約数和(自身を含む): 47646144

約数和(自身を除く): 25861158

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 11311, 22622, 33933, 67866, 101799, 203598, 1210277, 2420554, 3630831, 7261662, 10892493, 21784986]

約数ペア:

[(1, 21784986), (2, 10892493), (3, 7261662), (6, 3630831), (9, 2420554), (18, 1210277), (107, 203598), (214, 101799), (321, 67866), (642, 33933), (963, 22622), (1926, 11311)]