28211210

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6701}}^1$

素因数の和:7129

約数の個数: 16

約数和(自身を含む): 50908392

約数和(自身を除く): 22697182

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 6701, 13402, 33505, 67010, 2821121, 5642242, 14105605, 28211210]

約数ペア:

[(1, 28211210), (2, 14105605), (5, 5642242), (10, 2821121), (421, 67010), (842, 33505), (2105, 13402), (4210, 6701)]