21275606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4909}}^1$

素因数の和:5119

約数の個数: 16

約数和(自身を含む): 34998480

約数和(自身を除く): 13722874

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4909, 9818, 53999, 107998, 967073, 1934146, 10637803, 21275606]

約数ペア:

[(1, 21275606), (2, 10637803), (11, 1934146), (22, 967073), (197, 107998), (394, 53999), (2167, 9818), (4334, 4909)]