21289422

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 56142720

約数和(自身を除く): 34853298

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 49, 58, 66, 77, 87, 98, 147, 154, 174, 203, 227, 231, 294, 319, 406, 454, 462, 539, 609, 638, 681, 957, 1078, 1218, 1362, 1421, 1589, 1617, 1914, 2233, 2497, 2842, 3178, 3234, 4263, 4466, 4767, 4994, 6583, 6699, 7491, 8526, 9534, 11123, 13166, 13398, 14982, 15631, 17479, 19749, 22246, 31262, 33369, 34958, 39498, 46081, 46893, 52437, 66738, 72413, 92162, 93786, 104874, 122353, 138243, 144826, 217239, 244706, 276486, 322567, 367059, 434478, 506891, 645134, 734118, 967701, 1013782, 1520673, 1935402, 3041346, 3548237, 7096474, 10644711, 21289422]

約数ペア:

[(1, 21289422), (2, 10644711), (3, 7096474), (6, 3548237), (7, 3041346), (11, 1935402), (14, 1520673), (21, 1013782), (22, 967701), (29, 734118), (33, 645134), (42, 506891), (49, 434478), (58, 367059), (66, 322567), (77, 276486), (87, 244706), (98, 217239), (147, 144826), (154, 138243), (174, 122353), (203, 104874), (227, 93786), (231, 92162), (294, 72413), (319, 66738), (406, 52437), (454, 46893), (462, 46081), (539, 39498), (609, 34958), (638, 33369), (681, 31262), (957, 22246), (1078, 19749), (1218, 17479), (1362, 15631), (1421, 14982), (1589, 13398), (1617, 13166), (1914, 11123), (2233, 9534), (2497, 8526), (2842, 7491), (3178, 6699), (3234, 6583), (4263, 4994), (4466, 4767)]