221340012

素因数分解:

$2^2\times 3^1\times {\mathrm{18445001}}^1$

素因数の和:18445008

約数の個数: 12

約数和(自身を含む): 516460056

約数和(自身を除く): 295120044

約数列:

[1, 2, 3, 4, 6, 12, 18445001, 36890002, 55335003, 73780004, 110670006, 221340012]

約数ペア:

[(1, 221340012), (2, 110670006), (3, 73780004), (4, 55335003), (6, 36890002), (12, 18445001)]