21432279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{3889}}^1$

素因数の和:4070

約数の個数: 16

約数和(自身を含む): 31368960

約数和(自身を除く): 9936681

約数列:

[1, 3, 11, 33, 167, 501, 1837, 3889, 5511, 11667, 42779, 128337, 649463, 1948389, 7144093, 21432279]

約数ペア:

[(1, 21432279), (3, 7144093), (11, 1948389), (33, 649463), (167, 128337), (501, 42779), (1837, 11667), (3889, 5511)]