21361503

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18211}}^1$

素因数の和:18254

約数の個数: 16

約数和(自身を含む): 31470336

約数和(自身を除く): 10108833

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 18211, 54633, 309587, 418853, 928761, 1256559, 7120501, 21361503]

約数ペア:

[(1, 21361503), (3, 7120501), (17, 1256559), (23, 928761), (51, 418853), (69, 309587), (391, 54633), (1173, 18211)]