21812379

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{613}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 30208800

約数和(自身を除く): 8396421

約数列:

[1, 3, 29, 87, 409, 613, 1227, 1839, 11861, 17777, 35583, 53331, 250717, 752151, 7270793, 21812379]

約数ペア:

[(1, 21812379), (3, 7270793), (29, 752151), (87, 250717), (409, 53331), (613, 35583), (1227, 17777), (1839, 11861)]