21658239

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{9013}}^1$

素因数の和:9111

約数の個数: 16

約数和(自身を含む): 32450400

約数和(自身を除く): 10792161

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 9013, 27039, 81117, 243351, 802157, 2406471, 7219413, 21658239]

約数ペア:

[(1, 21658239), (3, 7219413), (9, 2406471), (27, 802157), (89, 243351), (267, 81117), (801, 27039), (2403, 9013)]