20212004

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{12601}}^1$

素因数の和:13006

約数の個数: 12

約数和(自身を含む): 35462028

約数和(自身を除く): 15250024

約数列:

[1, 2, 4, 401, 802, 1604, 12601, 25202, 50404, 5053001, 10106002, 20212004]

約数ペア:

[(1, 20212004), (2, 10106002), (4, 5053001), (401, 50404), (802, 25202), (1604, 12601)]