21130900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30187}}^1$

素因数の和:30208

約数の個数: 36

約数和(自身を含む): 52406368

約数和(自身を除く): 31275468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30187, 60374, 120748, 150935, 211309, 301870, 422618, 603740, 754675, 845236, 1056545, 1509350, 2113090, 3018700, 4226180, 5282725, 10565450, 21130900]

約数ペア:

[(1, 21130900), (2, 10565450), (4, 5282725), (5, 4226180), (7, 3018700), (10, 2113090), (14, 1509350), (20, 1056545), (25, 845236), (28, 754675), (35, 603740), (50, 422618), (70, 301870), (100, 211309), (140, 150935), (175, 120748), (350, 60374), (700, 30187)]