21019669

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 23696640

約数和(自身を除く): 2676971

約数列:

[1, 11, 47, 109, 373, 517, 1199, 4103, 5123, 17531, 40657, 56353, 192841, 447227, 1910879, 21019669]

約数ペア:

[(1, 21019669), (11, 1910879), (47, 447227), (109, 192841), (373, 56353), (517, 40657), (1199, 17531), (4103, 5123)]