21515556

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25253}}^1$

素因数の和:25331

約数の個数: 24

約数和(自身を含む): 50912064

約数和(自身を除く): 29396508

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25253, 50506, 75759, 101012, 151518, 303036, 1792963, 3585926, 5378889, 7171852, 10757778, 21515556]

約数ペア:

[(1, 21515556), (2, 10757778), (3, 7171852), (4, 5378889), (6, 3585926), (12, 1792963), (71, 303036), (142, 151518), (213, 101012), (284, 75759), (426, 50506), (852, 25253)]