21994286

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:824

約数の個数: 24

約数和(自身を含む): 35716464

約数和(自身を除く): 13722178

約数列:

[1, 2, 19, 38, 41, 82, 361, 722, 743, 779, 1486, 1558, 14117, 14801, 28234, 29602, 30463, 60926, 268223, 536446, 578797, 1157594, 10997143, 21994286]

約数ペア:

[(1, 21994286), (2, 10997143), (19, 1157594), (38, 578797), (41, 536446), (82, 268223), (361, 60926), (722, 30463), (743, 29602), (779, 28234), (1486, 14801), (1558, 14117)]