21026705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35339}}^1$

素因数の和:35368

約数の個数: 16

約数和(自身を含む): 30533760

約数和(自身を除く): 9507055

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 35339, 176695, 247373, 600763, 1236865, 3003815, 4205341, 21026705]

約数ペア:

[(1, 21026705), (5, 4205341), (7, 3003815), (17, 1236865), (35, 600763), (85, 247373), (119, 176695), (595, 35339)]