21579876

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1811}}^1$

素因数の和:2152

約数の個数: 36

約数和(自身を含む): 54744144

約数和(自身を除く): 33164268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1811, 1986, 2979, 3622, 3972, 5433, 5958, 7244, 10866, 11916, 16299, 21732, 32598, 65196, 599441, 1198882, 1798323, 2397764, 3596646, 5394969, 7193292, 10789938, 21579876]

約数ペア:

[(1, 21579876), (2, 10789938), (3, 7193292), (4, 5394969), (6, 3596646), (9, 2397764), (12, 1798323), (18, 1198882), (36, 599441), (331, 65196), (662, 32598), (993, 21732), (1324, 16299), (1811, 11916), (1986, 10866), (2979, 7244), (3622, 5958), (3972, 5433)]