21202863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15671}}^1$

素因数の和:15726

約数の個数: 16

約数和(自身を含む): 31594752

約数和(自身を除く): 10391889

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15671, 47013, 172381, 517143, 642511, 1927533, 7067621, 21202863]

約数ペア:

[(1, 21202863), (3, 7067621), (11, 1927533), (33, 642511), (41, 517143), (123, 172381), (451, 47013), (1353, 15671)]