21748060

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2477}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 45793440

約数和(自身を除く): 24045380

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 2477, 4390, 4954, 8780, 9908, 12385, 24770, 49540, 1087403, 2174806, 4349612, 5437015, 10874030, 21748060]

約数ペア:

[(1, 21748060), (2, 10874030), (4, 5437015), (5, 4349612), (10, 2174806), (20, 1087403), (439, 49540), (878, 24770), (1756, 12385), (2195, 9908), (2477, 8780), (4390, 4954)]