21443697

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 35858592

約数和(自身を除く): 14414895

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 99, 123, 297, 369, 451, 587, 891, 1107, 1353, 1761, 3321, 4059, 5283, 6457, 12177, 15849, 19371, 24067, 36531, 47547, 58113, 72201, 174339, 216603, 264737, 523017, 649809, 794211, 1949427, 2382633, 7147899, 21443697]

約数ペア:

[(1, 21443697), (3, 7147899), (9, 2382633), (11, 1949427), (27, 794211), (33, 649809), (41, 523017), (81, 264737), (99, 216603), (123, 174339), (297, 72201), (369, 58113), (451, 47547), (587, 36531), (891, 24067), (1107, 19371), (1353, 15849), (1761, 12177), (3321, 6457), (4059, 5283)]