21027844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2837}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 39334680

約数和(自身を除く): 18306836

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2837, 3706, 5674, 7412, 11348, 48229, 96458, 192916, 309233, 618466, 1236932, 5256961, 10513922, 21027844]

約数ペア:

[(1, 21027844), (2, 10513922), (4, 5256961), (17, 1236932), (34, 618466), (68, 309233), (109, 192916), (218, 96458), (436, 48229), (1853, 11348), (2837, 7412), (3706, 5674)]