21351390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{711713}}^1$

素因数の和:711723

約数の個数: 16

約数和(自身を含む): 51243408

約数和(自身を除く): 29892018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 711713, 1423426, 2135139, 3558565, 4270278, 7117130, 10675695, 21351390]

約数ペア:

[(1, 21351390), (2, 10675695), (3, 7117130), (5, 4270278), (6, 3558565), (10, 2135139), (15, 1423426), (30, 711713)]