21914581

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 26475680

約数和(自身を除く): 4561099

約数列:

[1, 13, 17, 19, 221, 247, 289, 307, 323, 3757, 3991, 4199, 5219, 5491, 5833, 67847, 71383, 75829, 88723, 99161, 1153399, 1289093, 1685737, 21914581]

約数ペア:

[(1, 21914581), (13, 1685737), (17, 1289093), (19, 1153399), (221, 99161), (247, 88723), (289, 75829), (307, 71383), (323, 67847), (3757, 5833), (3991, 5491), (4199, 5219)]