21084500

素因数分解:

$2^2\times 5^3\times {\mathrm{42169}}^1$

素因数の和:42188

約数の個数: 24

約数和(自身を含む): 46049640

約数和(自身を除く): 24965140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42169, 84338, 168676, 210845, 421690, 843380, 1054225, 2108450, 4216900, 5271125, 10542250, 21084500]

約数ペア:

[(1, 21084500), (2, 10542250), (4, 5271125), (5, 4216900), (10, 2108450), (20, 1054225), (25, 843380), (50, 421690), (100, 210845), (125, 168676), (250, 84338), (500, 42169)]