21135852

素因数分解:

$2^2\times 3^2\times {\mathrm{587107}}^1$

素因数の和:587117

約数の個数: 18

約数和(自身を含む): 53426828

約数和(自身を除く): 32290976

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 587107, 1174214, 1761321, 2348428, 3522642, 5283963, 7045284, 10567926, 21135852]

約数ペア:

[(1, 21135852), (2, 10567926), (3, 7045284), (4, 5283963), (6, 3522642), (9, 2348428), (12, 1761321), (18, 1174214), (36, 587107)]