21488854

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{821}}^1$

素因数の和:1415

約数の個数: 16

約数和(自身を含む): 33734880

約数和(自身を除く): 12246026

約数列:

[1, 2, 23, 46, 569, 821, 1138, 1642, 13087, 18883, 26174, 37766, 467149, 934298, 10744427, 21488854]

約数ペア:

[(1, 21488854), (2, 10744427), (23, 934298), (46, 467149), (569, 37766), (821, 26174), (1138, 18883), (1642, 13087)]