21098241

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:1985

約数の個数: 24

約数和(自身を含む): 32727240

約数和(自身を除く): 11628999

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1889, 3723, 5667, 11169, 17001, 32113, 96339, 137897, 289017, 413691, 1241073, 2344249, 7032747, 21098241]

約数ペア:

[(1, 21098241), (3, 7032747), (9, 2344249), (17, 1241073), (51, 413691), (73, 289017), (153, 137897), (219, 96339), (657, 32113), (1241, 17001), (1889, 11169), (3723, 5667)]