21948660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121937}}^1$

素因数の和:121952

約数の個数: 36

約数和(自身を含む): 66578148

約数和(自身を除く): 44629488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121937, 243874, 365811, 487748, 609685, 731622, 1097433, 1219370, 1463244, 1829055, 2194866, 2438740, 3658110, 4389732, 5487165, 7316220, 10974330, 21948660]

約数ペア:

[(1, 21948660), (2, 10974330), (3, 7316220), (4, 5487165), (5, 4389732), (6, 3658110), (9, 2438740), (10, 2194866), (12, 1829055), (15, 1463244), (18, 1219370), (20, 1097433), (30, 731622), (36, 609685), (45, 487748), (60, 365811), (90, 243874), (180, 121937)]