21698754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 54991872

約数和(自身を除く): 33293118

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 67, 77, 134, 154, 201, 231, 402, 462, 469, 701, 737, 938, 1402, 1407, 1474, 2103, 2211, 2814, 4206, 4422, 4907, 5159, 7711, 9814, 10318, 14721, 15422, 15477, 23133, 29442, 30954, 46266, 46967, 53977, 93934, 107954, 140901, 161931, 281802, 323862, 328769, 516637, 657538, 986307, 1033274, 1549911, 1972614, 3099822, 3616459, 7232918, 10849377, 21698754]

約数ペア:

[(1, 21698754), (2, 10849377), (3, 7232918), (6, 3616459), (7, 3099822), (11, 1972614), (14, 1549911), (21, 1033274), (22, 986307), (33, 657538), (42, 516637), (66, 328769), (67, 323862), (77, 281802), (134, 161931), (154, 140901), (201, 107954), (231, 93934), (402, 53977), (462, 46967), (469, 46266), (701, 30954), (737, 29442), (938, 23133), (1402, 15477), (1407, 15422), (1474, 14721), (2103, 10318), (2211, 9814), (2814, 7711), (4206, 5159), (4422, 4907)]