21063800

素因数分解:

$2^3\times 5^2\times {\mathrm{105319}}^1$

素因数の和:105335

約数の個数: 24

約数和(自身を含む): 48973800

約数和(自身を除く): 27910000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105319, 210638, 421276, 526595, 842552, 1053190, 2106380, 2632975, 4212760, 5265950, 10531900, 21063800]

約数ペア:

[(1, 21063800), (2, 10531900), (4, 5265950), (5, 4212760), (8, 2632975), (10, 2106380), (20, 1053190), (25, 842552), (40, 526595), (50, 421276), (100, 210638), (200, 105319)]