21593619

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 33015840

約数和(自身を除く): 11422221

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1429, 1679, 4287, 5037, 12861, 15111, 32867, 98601, 104317, 295803, 312951, 938853, 2399291, 7197873, 21593619]

約数ペア:

[(1, 21593619), (3, 7197873), (9, 2399291), (23, 938853), (69, 312951), (73, 295803), (207, 104317), (219, 98601), (657, 32867), (1429, 15111), (1679, 12861), (4287, 5037)]