21061742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2803}}^1$

素因数の和:2852

約数の個数: 24

約数和(自身を含む): 36154776

約数和(自身を除く): 15093034

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2803, 3757, 5606, 7514, 36439, 47651, 72878, 95302, 619463, 810067, 1238926, 1620134, 10530871, 21061742]

約数ペア:

[(1, 21061742), (2, 10530871), (13, 1620134), (17, 1238926), (26, 810067), (34, 619463), (221, 95302), (289, 72878), (442, 47651), (578, 36439), (2803, 7514), (3757, 5606)]