21148534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25981}}^1$

素因数の和:26031

約数の個数: 16

約数和(自身を含む): 35543376

約数和(自身を除く): 14394842

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25981, 51962, 285791, 571582, 961297, 1922594, 10574267, 21148534]

約数ペア:

[(1, 21148534), (2, 10574267), (11, 1922594), (22, 961297), (37, 571582), (74, 285791), (407, 51962), (814, 25981)]