21219068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14071}}^1$

素因数の和:14117

約数の個数: 24

約数和(自身を含む): 41371680

約数和(自身を除く): 20152612

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 14071, 28142, 56284, 182923, 365846, 408059, 731692, 816118, 1632236, 5304767, 10609534, 21219068]

約数ペア:

[(1, 21219068), (2, 10609534), (4, 5304767), (13, 1632236), (26, 816118), (29, 731692), (52, 408059), (58, 365846), (116, 182923), (377, 56284), (754, 28142), (1508, 14071)]