221400012

素因数分解:

$2^2\times 3^1\times {\mathrm{18450001}}^1$

素因数の和:18450008

約数の個数: 12

約数和(自身を含む): 516600056

約数和(自身を除く): 295200044

約数列:

[1, 2, 3, 4, 6, 12, 18450001, 36900002, 55350003, 73800004, 110700006, 221400012]

約数ペア:

[(1, 221400012), (2, 110700006), (3, 73800004), (4, 55350003), (6, 36900002), (12, 18450001)]