21140097

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5987}}^1$

素因数の和:6108

約数の個数: 16

約数和(自身を含む): 31041792

約数和(自身を除く): 9901695

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5987, 17961, 65857, 197571, 640609, 1921827, 7046699, 21140097]

約数ペア:

[(1, 21140097), (3, 7046699), (11, 1921827), (33, 640609), (107, 197571), (321, 65857), (1177, 17961), (3531, 5987)]