21169085

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26297}}^1$

素因数の和:26332

約数の個数: 16

約数和(自身を含む): 30295296

約数和(自身を除く): 9126211

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26297, 131485, 184079, 604831, 920395, 3024155, 4233817, 21169085]

約数ペア:

[(1, 21169085), (5, 4233817), (7, 3024155), (23, 920395), (35, 604831), (115, 184079), (161, 131485), (805, 26297)]