21219308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1741}}^1$

素因数の和:2033

約数の個数: 24

約数和(自身を含む): 40679184

約数和(自身を除く): 19459876

約数列:

[1, 2, 4, 11, 22, 44, 277, 554, 1108, 1741, 3047, 3482, 6094, 6964, 12188, 19151, 38302, 76604, 482257, 964514, 1929028, 5304827, 10609654, 21219308]

約数ペア:

[(1, 21219308), (2, 10609654), (4, 5304827), (11, 1929028), (22, 964514), (44, 482257), (277, 76604), (554, 38302), (1108, 19151), (1741, 12188), (3047, 6964), (3482, 6094)]