21149397

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{34057}}^1$

素因数の和:34089

約数の個数: 16

約数和(自身を含む): 32695680

約数和(自身を除く): 11546283

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 34057, 102171, 306513, 783311, 919539, 2349933, 7049799, 21149397]

約数ペア:

[(1, 21149397), (3, 7049799), (9, 2349933), (23, 919539), (27, 783311), (69, 306513), (207, 102171), (621, 34057)]