21633290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1553}}^1$

素因数の和:1766

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 23121910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1553, 1990, 2786, 3106, 6965, 7765, 10871, 13930, 15530, 21742, 54355, 108710, 309047, 618094, 1545235, 2163329, 3090470, 4326658, 10816645, 21633290]

約数ペア:

[(1, 21633290), (2, 10816645), (5, 4326658), (7, 3090470), (10, 2163329), (14, 1545235), (35, 618094), (70, 309047), (199, 108710), (398, 54355), (995, 21742), (1393, 15530), (1553, 13930), (1990, 10871), (2786, 7765), (3106, 6965)]