21316064

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 53851392

約数和(自身を除く): 32535328

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 211, 224, 287, 308, 328, 352, 422, 451, 574, 616, 656, 844, 902, 1148, 1232, 1312, 1477, 1688, 1804, 2296, 2321, 2464, 2954, 3157, 3376, 3608, 4592, 4642, 5908, 6314, 6752, 7216, 8651, 9184, 9284, 11816, 12628, 14432, 16247, 17302, 18568, 23632, 25256, 32494, 34604, 37136, 47264, 50512, 60557, 64988, 69208, 74272, 95161, 101024, 121114, 129976, 138416, 190322, 242228, 259952, 276832, 380644, 484456, 519904, 666127, 761288, 968912, 1332254, 1522576, 1937824, 2664508, 3045152, 5329016, 10658032, 21316064]

約数ペア:

[(1, 21316064), (2, 10658032), (4, 5329016), (7, 3045152), (8, 2664508), (11, 1937824), (14, 1522576), (16, 1332254), (22, 968912), (28, 761288), (32, 666127), (41, 519904), (44, 484456), (56, 380644), (77, 276832), (82, 259952), (88, 242228), (112, 190322), (154, 138416), (164, 129976), (176, 121114), (211, 101024), (224, 95161), (287, 74272), (308, 69208), (328, 64988), (352, 60557), (422, 50512), (451, 47264), (574, 37136), (616, 34604), (656, 32494), (844, 25256), (902, 23632), (1148, 18568), (1232, 17302), (1312, 16247), (1477, 14432), (1688, 12628), (1804, 11816), (2296, 9284), (2321, 9184), (2464, 8651), (2954, 7216), (3157, 6752), (3376, 6314), (3608, 5908), (4592, 4642)]