21082250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{1721}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 45936072

約数和(自身を除く): 24853822

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 875, 1225, 1721, 1750, 2450, 3442, 6125, 8605, 12047, 12250, 17210, 24094, 43025, 60235, 84329, 86050, 120470, 168658, 215125, 301175, 421645, 430250, 602350, 843290, 1505875, 2108225, 3011750, 4216450, 10541125, 21082250]

約数ペア:

[(1, 21082250), (2, 10541125), (5, 4216450), (7, 3011750), (10, 2108225), (14, 1505875), (25, 843290), (35, 602350), (49, 430250), (50, 421645), (70, 301175), (98, 215125), (125, 168658), (175, 120470), (245, 86050), (250, 84329), (350, 60235), (490, 43025), (875, 24094), (1225, 17210), (1721, 12250), (1750, 12047), (2450, 8605), (3442, 6125)]