21466540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10627}}^1$

素因数の和:10737

約数の個数: 24

約数和(自身を含む): 45530352

約数和(自身を除く): 24063812

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10627, 21254, 42508, 53135, 106270, 212540, 1073327, 2146654, 4293308, 5366635, 10733270, 21466540]

約数ペア:

[(1, 21466540), (2, 10733270), (4, 5366635), (5, 4293308), (10, 2146654), (20, 1073327), (101, 212540), (202, 106270), (404, 53135), (505, 42508), (1010, 21254), (2020, 10627)]