21088764

素因数分解:

$2^2\times 3^2\times {\mathrm{585799}}^1$

素因数の和:585809

約数の個数: 18

約数和(自身を含む): 53307800

約数和(自身を除く): 32219036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585799, 1171598, 1757397, 2343196, 3514794, 5272191, 7029588, 10544382, 21088764]

約数ペア:

[(1, 21088764), (2, 10544382), (3, 7029588), (4, 5272191), (6, 3514794), (9, 2343196), (12, 1757397), (18, 1171598), (36, 585799)]