21142184

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1693}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 45534720

約数和(自身を除く): 24392536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1693, 1784, 3122, 3386, 6244, 6772, 11851, 12488, 13544, 23702, 47404, 94808, 377539, 755078, 1510156, 2642773, 3020312, 5285546, 10571092, 21142184]

約数ペア:

[(1, 21142184), (2, 10571092), (4, 5285546), (7, 3020312), (8, 2642773), (14, 1510156), (28, 755078), (56, 377539), (223, 94808), (446, 47404), (892, 23702), (1561, 13544), (1693, 12488), (1784, 11851), (3122, 6772), (3386, 6244)]