21688416

素因数分解:

$2^5\times 3^2\times {\mathrm{75307}}^1$

素因数の和:75323

約数の個数: 36

約数和(自身を含む): 61677252

約数和(自身を除く): 39988836

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 75307, 150614, 225921, 301228, 451842, 602456, 677763, 903684, 1204912, 1355526, 1807368, 2409824, 2711052, 3614736, 5422104, 7229472, 10844208, 21688416]

約数ペア:

[(1, 21688416), (2, 10844208), (3, 7229472), (4, 5422104), (6, 3614736), (8, 2711052), (9, 2409824), (12, 1807368), (16, 1355526), (18, 1204912), (24, 903684), (32, 677763), (36, 602456), (48, 451842), (72, 301228), (96, 225921), (144, 150614), (288, 75307)]