21129084

素因数分解:

$2^2\times 3^2\times {\mathrm{586919}}^1$

素因数の和:586929

約数の個数: 18

約数和(自身を含む): 53409720

約数和(自身を除く): 32280636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 586919, 1173838, 1760757, 2347676, 3521514, 5282271, 7043028, 10564542, 21129084]

約数ペア:

[(1, 21129084), (2, 10564542), (3, 7043028), (4, 5282271), (6, 3521514), (9, 2347676), (12, 1760757), (18, 1173838), (36, 586919)]