21475146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 58392576

約数和(自身を除く): 36917430

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 43, 46, 47, 66, 69, 77, 86, 94, 129, 138, 141, 154, 161, 231, 253, 258, 282, 301, 322, 329, 462, 473, 483, 506, 517, 602, 658, 759, 903, 946, 966, 987, 989, 1034, 1081, 1419, 1518, 1551, 1771, 1806, 1974, 1978, 2021, 2162, 2838, 2967, 3102, 3243, 3311, 3542, 3619, 4042, 5313, 5934, 6063, 6486, 6622, 6923, 7238, 7567, 9933, 10626, 10857, 10879, 11891, 12126, 13846, 14147, 15134, 19866, 20769, 21714, 21758, 22231, 22701, 23782, 28294, 32637, 35673, 41538, 42441, 44462, 45402, 46483, 65274, 66693, 71346, 76153, 83237, 84882, 92966, 133386, 139449, 152306, 155617, 166474, 228459, 249711, 278898, 311234, 325381, 456918, 466851, 499422, 511313, 650762, 933702, 976143, 1022626, 1533939, 1952286, 3067878, 3579191, 7158382, 10737573, 21475146]

約数ペア:

[(1, 21475146), (2, 10737573), (3, 7158382), (6, 3579191), (7, 3067878), (11, 1952286), (14, 1533939), (21, 1022626), (22, 976143), (23, 933702), (33, 650762), (42, 511313), (43, 499422), (46, 466851), (47, 456918), (66, 325381), (69, 311234), (77, 278898), (86, 249711), (94, 228459), (129, 166474), (138, 155617), (141, 152306), (154, 139449), (161, 133386), (231, 92966), (253, 84882), (258, 83237), (282, 76153), (301, 71346), (322, 66693), (329, 65274), (462, 46483), (473, 45402), (483, 44462), (506, 42441), (517, 41538), (602, 35673), (658, 32637), (759, 28294), (903, 23782), (946, 22701), (966, 22231), (987, 21758), (989, 21714), (1034, 20769), (1081, 19866), (1419, 15134), (1518, 14147), (1551, 13846), (1771, 12126), (1806, 11891), (1974, 10879), (1978, 10857), (2021, 10626), (2162, 9933), (2838, 7567), (2967, 7238), (3102, 6923), (3243, 6622), (3311, 6486), (3542, 6063), (3619, 5934), (4042, 5313)]