21077535

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82657}}^1$

素因数の和:82682

約数の個数: 16

約数和(自身を含む): 35708256

約数和(自身を除く): 14630721

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 82657, 247971, 413285, 1239855, 1405169, 4215507, 7025845, 21077535]

約数ペア:

[(1, 21077535), (3, 7025845), (5, 4215507), (15, 1405169), (17, 1239855), (51, 413285), (85, 247971), (255, 82657)]