21394209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16319}}^1$

素因数の和:16364

約数の個数: 16

約数和(自身を含む): 31334400

約数和(自身を除く): 9940191

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 16319, 48957, 310061, 375337, 930183, 1126011, 7131403, 21394209]

約数ペア:

[(1, 21394209), (3, 7131403), (19, 1126011), (23, 930183), (57, 375337), (69, 310061), (437, 48957), (1311, 16319)]