21622798813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{639671}}^1$

素因数の和:640128

約数の個数: 16

約数和(自身を含む): 27019745280

約数和(自身を除く): 5396946467

約数列:

[1, 7, 11, 77, 439, 3073, 4829, 33803, 639671, 4477697, 7036381, 49254667, 280815569, 1965708983, 3088971259, 21622798813]

約数ペア:

[(1, 21622798813), (7, 3088971259), (11, 1965708983), (77, 280815569), (439, 49254667), (3073, 7036381), (4829, 4477697), (33803, 639671)]