21839958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 35817642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 43, 58, 63, 86, 87, 126, 129, 139, 174, 203, 258, 261, 278, 301, 387, 406, 417, 522, 602, 609, 774, 834, 903, 973, 1218, 1247, 1251, 1806, 1827, 1946, 2494, 2502, 2709, 2919, 3654, 3741, 4031, 5418, 5838, 5977, 7482, 8062, 8729, 8757, 11223, 11954, 12093, 17458, 17514, 17931, 22446, 24186, 26187, 28217, 35862, 36279, 41839, 52374, 53793, 56434, 72558, 78561, 83678, 84651, 107586, 125517, 157122, 169302, 173333, 251034, 253953, 346666, 376551, 507906, 519999, 753102, 1039998, 1213331, 1559997, 2426662, 3119994, 3639993, 7279986, 10919979, 21839958]

約数ペア:

[(1, 21839958), (2, 10919979), (3, 7279986), (6, 3639993), (7, 3119994), (9, 2426662), (14, 1559997), (18, 1213331), (21, 1039998), (29, 753102), (42, 519999), (43, 507906), (58, 376551), (63, 346666), (86, 253953), (87, 251034), (126, 173333), (129, 169302), (139, 157122), (174, 125517), (203, 107586), (258, 84651), (261, 83678), (278, 78561), (301, 72558), (387, 56434), (406, 53793), (417, 52374), (522, 41839), (602, 36279), (609, 35862), (774, 28217), (834, 26187), (903, 24186), (973, 22446), (1218, 17931), (1247, 17514), (1251, 17458), (1806, 12093), (1827, 11954), (1946, 11223), (2494, 8757), (2502, 8729), (2709, 8062), (2919, 7482), (3654, 5977), (3741, 5838), (4031, 5418)]