21019263

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16033}}^1$

素因数の和:16078

約数の個数: 16

約数和(自身を含む): 30785280

約数和(自身を除く): 9766017

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 16033, 48099, 304627, 368759, 913881, 1106277, 7006421, 21019263]

約数ペア:

[(1, 21019263), (3, 7006421), (19, 1106277), (23, 913881), (57, 368759), (69, 304627), (437, 48099), (1311, 16033)]