21208812

素因数分解:

$2^2\times 3^1\times {\mathrm{1767401}}^1$

素因数の和:1767408

約数の個数: 12

約数和(自身を含む): 49487256

約数和(自身を除く): 28278444

約数列:

[1, 2, 3, 4, 6, 12, 1767401, 3534802, 5302203, 7069604, 10604406, 21208812]

約数ペア:

[(1, 21208812), (2, 10604406), (3, 7069604), (4, 5302203), (6, 3534802), (12, 1767401)]