21368188

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 38132640

約数和(自身を除く): 16764452

約数列:

[1, 2, 4, 89, 178, 193, 311, 356, 386, 622, 772, 1244, 17177, 27679, 34354, 55358, 60023, 68708, 110716, 120046, 240092, 5342047, 10684094, 21368188]

約数ペア:

[(1, 21368188), (2, 10684094), (4, 5342047), (89, 240092), (178, 120046), (193, 110716), (311, 68708), (356, 60023), (386, 55358), (622, 34354), (772, 27679), (1244, 17177)]