21174993

素因数分解:

$3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 36096000

約数和(自身を除く): 14921007

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 199, 563, 597, 1393, 1689, 1791, 3941, 4179, 5067, 5373, 11823, 12537, 15201, 35469, 37611, 106407, 112037, 336111, 784259, 1008333, 2352777, 3024999, 7058331, 21174993]

約数ペア:

[(1, 21174993), (3, 7058331), (7, 3024999), (9, 2352777), (21, 1008333), (27, 784259), (63, 336111), (189, 112037), (199, 106407), (563, 37611), (597, 35469), (1393, 15201), (1689, 12537), (1791, 11823), (3941, 5373), (4179, 5067)]