21204756

素因数分解:

$2^2\times 3^2\times {\mathrm{589021}}^1$

素因数の和:589031

約数の個数: 18

約数和(自身を含む): 53601002

約数和(自身を除く): 32396246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 589021, 1178042, 1767063, 2356084, 3534126, 5301189, 7068252, 10602378, 21204756]

約数ペア:

[(1, 21204756), (2, 10602378), (3, 7068252), (4, 5301189), (6, 3534126), (9, 2356084), (12, 1767063), (18, 1178042), (36, 589021)]