215856018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1999}}^1$

素因数の和:2871

約数の個数: 48

約数和(自身を含む): 535392000

約数和(自身を除く): 319535982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 857, 1714, 1999, 2571, 3998, 5142, 5997, 5999, 7713, 11994, 11998, 13993, 15426, 17991, 17997, 27986, 35982, 35994, 41979, 53991, 83958, 107982, 125937, 251874, 1713143, 3426286, 5139429, 10278858, 11992001, 15418287, 23984002, 30836574, 35976003, 71952006, 107928009, 215856018]

約数ペア:

[(1, 215856018), (2, 107928009), (3, 71952006), (6, 35976003), (7, 30836574), (9, 23984002), (14, 15418287), (18, 11992001), (21, 10278858), (42, 5139429), (63, 3426286), (126, 1713143), (857, 251874), (1714, 125937), (1999, 107982), (2571, 83958), (3998, 53991), (5142, 41979), (5997, 35994), (5999, 35982), (7713, 27986), (11994, 17997), (11998, 17991), (13993, 15426)]