21365745

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9433}}^1$

素因数の和:9592

約数の個数: 16

約数和(自身を含む): 34415232

約数和(自身を除く): 13049487

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9433, 28299, 47165, 141495, 1424383, 4273149, 7121915, 21365745]

約数ペア:

[(1, 21365745), (3, 7121915), (5, 4273149), (15, 1424383), (151, 141495), (453, 47165), (755, 28299), (2265, 9433)]