21304003

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1171}}^1$

素因数の和:1314

約数の個数: 16

約数和(自身を含む): 25652736

約数和(自身を除く): 4348733

約数列:

[1, 7, 23, 113, 161, 791, 1171, 2599, 8197, 18193, 26933, 132323, 188531, 926261, 3043429, 21304003]

約数ペア:

[(1, 21304003), (7, 3043429), (23, 926261), (113, 188531), (161, 132323), (791, 26933), (1171, 18193), (2599, 8197)]