21051540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116953}}^1$

素因数の和:116968

約数の個数: 36

約数和(自身を含む): 63856884

約数和(自身を除く): 42805344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116953, 233906, 350859, 467812, 584765, 701718, 1052577, 1169530, 1403436, 1754295, 2105154, 2339060, 3508590, 4210308, 5262885, 7017180, 10525770, 21051540]

約数ペア:

[(1, 21051540), (2, 10525770), (3, 7017180), (4, 5262885), (5, 4210308), (6, 3508590), (9, 2339060), (10, 2105154), (12, 1754295), (15, 1403436), (18, 1169530), (20, 1052577), (30, 701718), (36, 584765), (45, 467812), (60, 350859), (90, 233906), (180, 116953)]