21652440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180437}}^1$

素因数の和:180451

約数の個数: 32

約数和(自身を含む): 64957680

約数和(自身を除く): 43305240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180437, 360874, 541311, 721748, 902185, 1082622, 1443496, 1804370, 2165244, 2706555, 3608740, 4330488, 5413110, 7217480, 10826220, 21652440]

約数ペア:

[(1, 21652440), (2, 10826220), (3, 7217480), (4, 5413110), (5, 4330488), (6, 3608740), (8, 2706555), (10, 2165244), (12, 1804370), (15, 1443496), (20, 1082622), (24, 902185), (30, 721748), (40, 541311), (60, 360874), (120, 180437)]