21105637

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5119}}^1$

素因数の和:5176

約数の個数: 16

約数和(自身を含む): 26214400

約数和(自身を除く): 5108763

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 5119, 35833, 97261, 158689, 680827, 1110823, 3015091, 21105637]

約数ペア:

[(1, 21105637), (7, 3015091), (19, 1110823), (31, 680827), (133, 158689), (217, 97261), (589, 35833), (4123, 5119)]