21082314

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 26031606

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 121, 142, 213, 242, 363, 409, 426, 726, 781, 818, 1227, 1562, 2343, 2454, 4499, 4686, 8591, 8998, 13497, 17182, 25773, 26994, 29039, 49489, 51546, 58078, 87117, 98978, 148467, 174234, 296934, 319429, 638858, 958287, 1916574, 3513719, 7027438, 10541157, 21082314]

約数ペア:

[(1, 21082314), (2, 10541157), (3, 7027438), (6, 3513719), (11, 1916574), (22, 958287), (33, 638858), (66, 319429), (71, 296934), (121, 174234), (142, 148467), (213, 98978), (242, 87117), (363, 58078), (409, 51546), (426, 49489), (726, 29039), (781, 26994), (818, 25773), (1227, 17182), (1562, 13497), (2343, 8998), (2454, 8591), (4499, 4686)]