21540486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{839}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 25633914

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 389, 778, 839, 1167, 1678, 2334, 2517, 4279, 5034, 8558, 9229, 12837, 18458, 25674, 27687, 55374, 326371, 652742, 979113, 1958226, 3590081, 7180162, 10770243, 21540486]

約数ペア:

[(1, 21540486), (2, 10770243), (3, 7180162), (6, 3590081), (11, 1958226), (22, 979113), (33, 652742), (66, 326371), (389, 55374), (778, 27687), (839, 25674), (1167, 18458), (1678, 12837), (2334, 9229), (2517, 8558), (4279, 5034)]