21044247

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{10331}}^1$

素因数の和:10438

約数の個数: 16

約数和(自身を含む): 32401152

約数和(自身を除く): 11356905

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 10331, 30993, 72317, 216951, 1002107, 3006321, 7014749, 21044247]

約数ペア:

[(1, 21044247), (3, 7014749), (7, 3006321), (21, 1002107), (97, 216951), (291, 72317), (679, 30993), (2037, 10331)]