21974975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 30466800

約数和(自身を除く): 8491825

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1949, 2255, 9745, 11275, 21439, 48725, 79909, 107195, 399545, 535975, 878999, 1997725, 4394995, 21974975]

約数ペア:

[(1, 21974975), (5, 4394995), (11, 1997725), (25, 878999), (41, 535975), (55, 399545), (205, 107195), (275, 79909), (451, 48725), (1025, 21439), (1949, 11275), (2255, 9745)]