21222252

素因数分解:

$2^2\times 3^2\times {\mathrm{589507}}^1$

素因数の和:589517

約数の個数: 18

約数和(自身を含む): 53645228

約数和(自身を除く): 32422976

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 589507, 1179014, 1768521, 2358028, 3537042, 5305563, 7074084, 10611126, 21222252]

約数ペア:

[(1, 21222252), (2, 10611126), (3, 7074084), (4, 5305563), (6, 3537042), (9, 2358028), (12, 1768521), (18, 1179014), (36, 589507)]