21412469

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 25495560

約数和(自身を除く): 4083091

約数列:

[1, 13, 17, 29, 169, 221, 257, 377, 493, 2873, 3341, 4369, 4901, 6409, 7453, 43433, 56797, 83317, 96889, 126701, 738361, 1259557, 1647113, 21412469]

約数ペア:

[(1, 21412469), (13, 1647113), (17, 1259557), (29, 738361), (169, 126701), (221, 96889), (257, 83317), (377, 56797), (493, 43433), (2873, 7453), (3341, 6409), (4369, 4901)]