21321824

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6469}}^1$

素因数の和:6582

約数の個数: 24

約数和(自身を含む): 42391440

約数和(自身を除く): 21069616

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6469, 12938, 25876, 51752, 103504, 207008, 666307, 1332614, 2665228, 5330456, 10660912, 21321824]

約数ペア:

[(1, 21321824), (2, 10660912), (4, 5330456), (8, 2665228), (16, 1332614), (32, 666307), (103, 207008), (206, 103504), (412, 51752), (824, 25876), (1648, 12938), (3296, 6469)]