21254464

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:276

約数の個数: 112

約数和(自身を含む): 55595520

約数和(自身を除く): 34341056

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 133, 152, 154, 176, 209, 224, 227, 266, 304, 308, 352, 418, 448, 454, 532, 608, 616, 704, 836, 908, 1064, 1216, 1232, 1463, 1589, 1672, 1816, 2128, 2464, 2497, 2926, 3178, 3344, 3632, 4256, 4313, 4928, 4994, 5852, 6356, 6688, 7264, 8512, 8626, 9988, 11704, 12712, 13376, 14528, 17252, 17479, 19976, 23408, 25424, 30191, 34504, 34958, 39952, 46816, 47443, 50848, 60382, 69008, 69916, 79904, 93632, 94886, 101696, 120764, 138016, 139832, 159808, 189772, 241528, 276032, 279664, 332101, 379544, 483056, 559328, 664202, 759088, 966112, 1118656, 1328404, 1518176, 1932224, 2656808, 3036352, 5313616, 10627232, 21254464]

約数ペア:

[(1, 21254464), (2, 10627232), (4, 5313616), (7, 3036352), (8, 2656808), (11, 1932224), (14, 1518176), (16, 1328404), (19, 1118656), (22, 966112), (28, 759088), (32, 664202), (38, 559328), (44, 483056), (56, 379544), (64, 332101), (76, 279664), (77, 276032), (88, 241528), (112, 189772), (133, 159808), (152, 139832), (154, 138016), (176, 120764), (209, 101696), (224, 94886), (227, 93632), (266, 79904), (304, 69916), (308, 69008), (352, 60382), (418, 50848), (448, 47443), (454, 46816), (532, 39952), (608, 34958), (616, 34504), (704, 30191), (836, 25424), (908, 23408), (1064, 19976), (1216, 17479), (1232, 17252), (1463, 14528), (1589, 13376), (1672, 12712), (1816, 11704), (2128, 9988), (2464, 8626), (2497, 8512), (2926, 7264), (3178, 6688), (3344, 6356), (3632, 5852), (4256, 4994), (4313, 4928)]