21094535

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 33784128

約数和(自身を除く): 12689593

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 121, 187, 293, 385, 595, 605, 847, 935, 1309, 1465, 2051, 2057, 3223, 4235, 4981, 6545, 10255, 10285, 14399, 16115, 22561, 24905, 34867, 35453, 54791, 71995, 112805, 174335, 177265, 248171, 273955, 383537, 602701, 1240855, 1917685, 3013505, 4218907, 21094535]

約数ペア:

[(1, 21094535), (5, 4218907), (7, 3013505), (11, 1917685), (17, 1240855), (35, 602701), (55, 383537), (77, 273955), (85, 248171), (119, 177265), (121, 174335), (187, 112805), (293, 71995), (385, 54791), (595, 35453), (605, 34867), (847, 24905), (935, 22561), (1309, 16115), (1465, 14399), (2051, 10285), (2057, 10255), (3223, 6545), (4235, 4981)]