21123350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{24851}}^1$

素因数の和:24880

約数の個数: 24

約数和(自身を含む): 41602248

約数和(自身を除く): 20478898

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 24851, 49702, 124255, 248510, 422467, 621275, 844934, 1242550, 2112335, 4224670, 10561675, 21123350]

約数ペア:

[(1, 21123350), (2, 10561675), (5, 4224670), (10, 2112335), (17, 1242550), (25, 844934), (34, 621275), (50, 422467), (85, 248510), (170, 124255), (425, 49702), (850, 24851)]