21280114

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{2179}}^1$

素因数の和:2457

約数の個数: 16

約数和(自身を含む): 33746400

約数和(自身を除く): 12466286

約数列:

[1, 2, 19, 38, 257, 514, 2179, 4358, 4883, 9766, 41401, 82802, 560003, 1120006, 10640057, 21280114]

約数ペア:

[(1, 21280114), (2, 10640057), (19, 1120006), (38, 560003), (257, 82802), (514, 41401), (2179, 9766), (4358, 4883)]