21568612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4027}}^1$

素因数の和:4147

約数の個数: 24

約数和(自身を含む): 41053376

約数和(自身を除く): 19484764

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 4027, 5356, 8054, 16108, 52351, 104702, 209404, 414781, 829562, 1659124, 5392153, 10784306, 21568612]

約数ペア:

[(1, 21568612), (2, 10784306), (4, 5392153), (13, 1659124), (26, 829562), (52, 414781), (103, 209404), (206, 104702), (412, 52351), (1339, 16108), (2678, 8054), (4027, 5356)]