21324255

素因数分解:

$3^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1621}}^1$

素因数の和:2506

約数の個数: 16

約数和(自身を含む): 34178784

約数和(自身を除く): 12854529

約数列:

[1, 3, 5, 15, 877, 1621, 2631, 4385, 4863, 8105, 13155, 24315, 1421617, 4264851, 7108085, 21324255]

約数ペア:

[(1, 21324255), (3, 7108085), (5, 4264851), (15, 1421617), (877, 24315), (1621, 13155), (2631, 8105), (4385, 4863)]