21297254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{5939}}^1$

素因数の和:6115

約数の個数: 16

約数和(自身を含む): 35069760

約数和(自身を除く): 13772506

約数列:

[1, 2, 11, 22, 163, 326, 1793, 3586, 5939, 11878, 65329, 130658, 968057, 1936114, 10648627, 21297254]

約数ペア:

[(1, 21297254), (2, 10648627), (11, 1936114), (22, 968057), (163, 130658), (326, 65329), (1793, 11878), (3586, 5939)]