21116236

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 16623284

約数列:

[1, 2, 4, 103, 107, 206, 214, 412, 428, 479, 958, 1916, 11021, 22042, 44084, 49337, 51253, 98674, 102506, 197348, 205012, 5279059, 10558118, 21116236]

約数ペア:

[(1, 21116236), (2, 10558118), (4, 5279059), (103, 205012), (107, 197348), (206, 102506), (214, 98674), (412, 51253), (428, 49337), (479, 44084), (958, 22042), (1916, 11021)]