21970900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31387}}^1$

素因数の和:31408

約数の個数: 36

約数和(自身を含む): 54489568

約数和(自身を除く): 32518668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 31387, 62774, 125548, 156935, 219709, 313870, 439418, 627740, 784675, 878836, 1098545, 1569350, 2197090, 3138700, 4394180, 5492725, 10985450, 21970900]

約数ペア:

[(1, 21970900), (2, 10985450), (4, 5492725), (5, 4394180), (7, 3138700), (10, 2197090), (14, 1569350), (20, 1098545), (25, 878836), (28, 784675), (35, 627740), (50, 439418), (70, 313870), (100, 219709), (140, 156935), (175, 125548), (350, 62774), (700, 31387)]