21646471

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3851}}^1$

素因数の和:3942

約数の個数: 16

約数和(自身を含む): 27364608

約数和(自身を除く): 5718137

約数列:

[1, 7, 11, 73, 77, 511, 803, 3851, 5621, 26957, 42361, 281123, 296527, 1967861, 3092353, 21646471]

約数ペア:

[(1, 21646471), (7, 3092353), (11, 1967861), (73, 296527), (77, 281123), (511, 42361), (803, 26957), (3851, 5621)]