21204972

素因数分解:

$2^2\times 3^2\times {\mathrm{589027}}^1$

素因数の和:589037

約数の個数: 18

約数和(自身を含む): 53601548

約数和(自身を除く): 32396576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 589027, 1178054, 1767081, 2356108, 3534162, 5301243, 7068324, 10602486, 21204972]

約数ペア:

[(1, 21204972), (2, 10602486), (3, 7068324), (4, 5301243), (6, 3534162), (9, 2356108), (12, 1767081), (18, 1178054), (36, 589027)]