21495366905

素因数分解:

$5^1\times {\mathrm{157}}^1\times {\mathrm{3371}}^1\times {\mathrm{8123}}^1$

素因数の和:11656

約数の個数: 16

約数和(自身を含む): 25969633344

約数和(自身を除く): 4474266439

約数列:

[1, 5, 157, 785, 3371, 8123, 16855, 40615, 529247, 1275311, 2646235, 6376555, 27382633, 136913165, 4299073381, 21495366905]

約数ペア:

[(1, 21495366905), (5, 4299073381), (157, 136913165), (785, 27382633), (3371, 6376555), (8123, 2646235), (16855, 1275311), (40615, 529247)]