21691912

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22409}}^1$

素因数の和:22437

約数の個数: 24

約数和(自身を含む): 44707950

約数和(自身を除く): 23016038

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22409, 44818, 89636, 179272, 246499, 492998, 985996, 1971992, 2711489, 5422978, 10845956, 21691912]

約数ペア:

[(1, 21691912), (2, 10845956), (4, 5422978), (8, 2711489), (11, 1971992), (22, 985996), (44, 492998), (88, 246499), (121, 179272), (242, 89636), (484, 44818), (968, 22409)]