21929306

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4339}}^1$

素因数の和:4386

約数の個数: 24

約数和(自身を含む): 39684960

約数和(自身を除く): 17755654

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 4339, 5054, 8678, 30373, 60746, 82441, 164882, 577087, 1154174, 1566379, 3132758, 10964653, 21929306]

約数ペア:

[(1, 21929306), (2, 10964653), (7, 3132758), (14, 1566379), (19, 1154174), (38, 577087), (133, 164882), (266, 82441), (361, 60746), (722, 30373), (2527, 8678), (4339, 5054)]