21350091

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 34762240

約数和(自身を除く): 13412149

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 733, 1387, 1533, 2199, 4161, 5131, 9709, 13927, 15393, 29127, 41781, 53509, 97489, 160527, 292467, 374563, 1016671, 1123689, 3050013, 7116697, 21350091]

約数ペア:

[(1, 21350091), (3, 7116697), (7, 3050013), (19, 1123689), (21, 1016671), (57, 374563), (73, 292467), (133, 160527), (219, 97489), (399, 53509), (511, 41781), (733, 29127), (1387, 15393), (1533, 13927), (2199, 9709), (4161, 5131)]