21119276

素因数分解:

$2^2\times {\mathrm{419}}^1\times {\mathrm{12601}}^1$

素因数の和:13024

約数の個数: 12

約数和(自身を含む): 37049880

約数和(自身を除く): 15930604

約数列:

[1, 2, 4, 419, 838, 1676, 12601, 25202, 50404, 5279819, 10559638, 21119276]

約数ペア:

[(1, 21119276), (2, 10559638), (4, 5279819), (419, 50404), (838, 25202), (1676, 12601)]