21046935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 43932672

約数和(自身を除く): 22885737

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 907, 1105, 1365, 1547, 1785, 2721, 3315, 4535, 4641, 6349, 7735, 11791, 13605, 15419, 19047, 23205, 31745, 35373, 46257, 58955, 77095, 82537, 95235, 107933, 176865, 200447, 231285, 247611, 323799, 412685, 539665, 601341, 1002235, 1238055, 1403129, 1618995, 3006705, 4209387, 7015645, 21046935]

約数ペア:

[(1, 21046935), (3, 7015645), (5, 4209387), (7, 3006705), (13, 1618995), (15, 1403129), (17, 1238055), (21, 1002235), (35, 601341), (39, 539665), (51, 412685), (65, 323799), (85, 247611), (91, 231285), (105, 200447), (119, 176865), (195, 107933), (221, 95235), (255, 82537), (273, 77095), (357, 58955), (455, 46257), (595, 35373), (663, 31745), (907, 23205), (1105, 19047), (1365, 15419), (1547, 13605), (1785, 11791), (2721, 7735), (3315, 6349), (4535, 4641)]