21376817

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1223}}^1$

素因数の和:1468

約数の個数: 16

約数和(自身を含む): 26790912

約数和(自身を除く): 5414095

約数列:

[1, 7, 11, 77, 227, 1223, 1589, 2497, 8561, 13453, 17479, 94171, 277621, 1943347, 3053831, 21376817]

約数ペア:

[(1, 21376817), (7, 3053831), (11, 1943347), (77, 277621), (227, 94171), (1223, 17479), (1589, 13453), (2497, 8561)]