21153294

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28663}}^1$

素因数の和:28712

約数の個数: 24

約数和(自身を含む): 46951632

約数和(自身を除く): 25798338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28663, 57326, 85989, 171978, 257967, 515934, 1175183, 2350366, 3525549, 7051098, 10576647, 21153294]

約数ペア:

[(1, 21153294), (2, 10576647), (3, 7051098), (6, 3525549), (9, 2350366), (18, 1175183), (41, 515934), (82, 257967), (123, 171978), (246, 85989), (369, 57326), (738, 28663)]