21527600

素因数分解:

$2^4\times 5^2\times {\mathrm{53819}}^1$

素因数の和:53837

約数の個数: 30

約数和(自身を含む): 51721020

約数和(自身を除く): 30193420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 53819, 107638, 215276, 269095, 430552, 538190, 861104, 1076380, 1345475, 2152760, 2690950, 4305520, 5381900, 10763800, 21527600]

約数ペア:

[(1, 21527600), (2, 10763800), (4, 5381900), (5, 4305520), (8, 2690950), (10, 2152760), (16, 1345475), (20, 1076380), (25, 861104), (40, 538190), (50, 430552), (80, 269095), (100, 215276), (200, 107638), (400, 53819)]