21744477

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{7127}}^1$

素因数の和:7249

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 10759203

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 7127, 21381, 64143, 192429, 805351, 2416053, 7248159, 21744477]

約数ペア:

[(1, 21744477), (3, 7248159), (9, 2416053), (27, 805351), (113, 192429), (339, 64143), (1017, 21381), (3051, 7127)]