21298849

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3169}}^1$

素因数の和:3240

約数の個数: 16

約数和(自身を含む): 25562880

約数和(自身を除く): 4264031

約数列:

[1, 11, 13, 47, 143, 517, 611, 3169, 6721, 34859, 41197, 148943, 453167, 1638373, 1936259, 21298849]

約数ペア:

[(1, 21298849), (11, 1936259), (13, 1638373), (47, 453167), (143, 148943), (517, 41197), (611, 34859), (3169, 6721)]