21303159

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{677}}^1$

素因数の和:1314

約数の個数: 16

約数和(自身を含む): 30168288

約数和(自身を除く): 8865129

約数列:

[1, 3, 17, 51, 617, 677, 1851, 2031, 10489, 11509, 31467, 34527, 417709, 1253127, 7101053, 21303159]

約数ペア:

[(1, 21303159), (3, 7101053), (17, 1253127), (51, 417709), (617, 34527), (677, 31467), (1851, 11509), (2031, 10489)]