21342724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14153}}^1$

素因数の和:14199

約数の個数: 24

約数和(自身を含む): 41612760

約数和(自身を除く): 20270036

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 14153, 28306, 56612, 183989, 367978, 410437, 735956, 820874, 1641748, 5335681, 10671362, 21342724]

約数ペア:

[(1, 21342724), (2, 10671362), (4, 5335681), (13, 1641748), (26, 820874), (29, 735956), (52, 410437), (58, 367978), (116, 183989), (377, 56612), (754, 28306), (1508, 14153)]