21188629

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2069}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 28317600

約数和(自身を除く): 7128971

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 2069, 10241, 14483, 22759, 39311, 101381, 159313, 275177, 432421, 1115191, 1926239, 3026947, 21188629]

約数ペア:

[(1, 21188629), (7, 3026947), (11, 1926239), (19, 1115191), (49, 432421), (77, 275177), (133, 159313), (209, 101381), (539, 39311), (931, 22759), (1463, 14483), (2069, 10241)]