21845615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5441}}^1$

素因数の和:5530

約数の個数: 16

約数和(自身を含む): 28994976

約数和(自身を除く): 7149361

約数列:

[1, 5, 11, 55, 73, 365, 803, 4015, 5441, 27205, 59851, 299255, 397193, 1985965, 4369123, 21845615]

約数ペア:

[(1, 21845615), (5, 4369123), (11, 1985965), (55, 397193), (73, 299255), (365, 59851), (803, 27205), (4015, 5441)]