21266596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9511}}^1$

素因数の和:9571

約数の個数: 24

約数和(自身を含む): 41015744

約数和(自身を除く): 19749148

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9511, 19022, 38044, 123643, 247286, 408973, 494572, 817946, 1635892, 5316649, 10633298, 21266596]

約数ペア:

[(1, 21266596), (2, 10633298), (4, 5316649), (13, 1635892), (26, 817946), (43, 494572), (52, 408973), (86, 247286), (172, 123643), (559, 38044), (1118, 19022), (2236, 9511)]