21728052

素因数分解:

$2^2\times 3^2\times {\mathrm{603557}}^1$

素因数の和:603567

約数の個数: 18

約数和(自身を含む): 54923778

約数和(自身を除く): 33195726

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 603557, 1207114, 1810671, 2414228, 3621342, 5432013, 7242684, 10864026, 21728052]

約数ペア:

[(1, 21728052), (2, 10864026), (3, 7242684), (4, 5432013), (6, 3621342), (9, 2414228), (12, 1810671), (18, 1207114), (36, 603557)]