21800681

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1097}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 26562816

約数和(自身を除く): 4762135

約数列:

[1, 7, 17, 119, 167, 1097, 1169, 2839, 7679, 18649, 19873, 130543, 183199, 1282393, 3114383, 21800681]

約数ペア:

[(1, 21800681), (7, 3114383), (17, 1282393), (119, 183199), (167, 130543), (1097, 19873), (1169, 18649), (2839, 7679)]