21188526

素因数分解:

$2^1\times 3^1\times {\mathrm{307}}^1\times {\mathrm{11503}}^1$

素因数の和:11815

約数の個数: 16

約数和(自身を含む): 42518784

約数和(自身を除く): 21330258

約数列:

[1, 2, 3, 6, 307, 614, 921, 1842, 11503, 23006, 34509, 69018, 3531421, 7062842, 10594263, 21188526]

約数ペア:

[(1, 21188526), (2, 10594263), (3, 7062842), (6, 3531421), (307, 69018), (614, 34509), (921, 23006), (1842, 11503)]