21465344

素因数分解:

$2^8\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 43169280

約数和(自身を除く): 21703936

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 256, 382, 439, 764, 878, 1528, 1756, 3056, 3512, 6112, 7024, 12224, 14048, 24448, 28096, 48896, 56192, 83849, 112384, 167698, 335396, 670792, 1341584, 2683168, 5366336, 10732672, 21465344]

約数ペア:

[(1, 21465344), (2, 10732672), (4, 5366336), (8, 2683168), (16, 1341584), (32, 670792), (64, 335396), (128, 167698), (191, 112384), (256, 83849), (382, 56192), (439, 48896), (764, 28096), (878, 24448), (1528, 14048), (1756, 12224), (3056, 7024), (3512, 6112)]