21146868

素因数分解:

$2^2\times 3^2\times {\mathrm{587413}}^1$

素因数の和:587423

約数の個数: 18

約数和(自身を含む): 53454674

約数和(自身を除く): 32307806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 587413, 1174826, 1762239, 2349652, 3524478, 5286717, 7048956, 10573434, 21146868]

約数ペア:

[(1, 21146868), (2, 10573434), (3, 7048956), (4, 5286717), (6, 3524478), (9, 2349652), (12, 1762239), (18, 1174826), (36, 587413)]