21894404

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9421}}^1$

素因数の和:9515

約数の個数: 24

約数和(自身を含む): 44321088

約数和(自身を除く): 22426684

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9421, 18842, 37684, 65947, 131894, 263788, 781943, 1563886, 3127772, 5473601, 10947202, 21894404]

約数ペア:

[(1, 21894404), (2, 10947202), (4, 5473601), (7, 3127772), (14, 1563886), (28, 781943), (83, 263788), (166, 131894), (332, 65947), (581, 37684), (1162, 18842), (2324, 9421)]