21314048

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:357

約数の個数: 80

約数和(自身を含む): 51395520

約数和(自身を除く): 30081472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 313, 448, 512, 532, 608, 626, 896, 1064, 1216, 1252, 1792, 2128, 2191, 2432, 2504, 3584, 4256, 4382, 4864, 5008, 5947, 8512, 8764, 9728, 10016, 11894, 17024, 17528, 20032, 23788, 34048, 35056, 40064, 41629, 47576, 68096, 70112, 80128, 83258, 95152, 140224, 160256, 166516, 190304, 280448, 333032, 380608, 560896, 666064, 761216, 1121792, 1332128, 1522432, 2664256, 3044864, 5328512, 10657024, 21314048]

約数ペア:

[(1, 21314048), (2, 10657024), (4, 5328512), (7, 3044864), (8, 2664256), (14, 1522432), (16, 1332128), (19, 1121792), (28, 761216), (32, 666064), (38, 560896), (56, 380608), (64, 333032), (76, 280448), (112, 190304), (128, 166516), (133, 160256), (152, 140224), (224, 95152), (256, 83258), (266, 80128), (304, 70112), (313, 68096), (448, 47576), (512, 41629), (532, 40064), (608, 35056), (626, 34048), (896, 23788), (1064, 20032), (1216, 17528), (1252, 17024), (1792, 11894), (2128, 10016), (2191, 9728), (2432, 8764), (2504, 8512), (3584, 5947), (4256, 5008), (4382, 4864)]