21099584

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 112

約数和(自身を含む): 50694336

約数和(自身を除く): 29594752

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 41, 43, 44, 64, 68, 82, 86, 88, 136, 164, 172, 176, 187, 272, 328, 344, 352, 374, 451, 473, 544, 656, 688, 697, 704, 731, 748, 902, 946, 1088, 1312, 1376, 1394, 1462, 1496, 1763, 1804, 1892, 2624, 2752, 2788, 2924, 2992, 3526, 3608, 3784, 5576, 5848, 5984, 7052, 7216, 7568, 7667, 8041, 11152, 11696, 11968, 14104, 14432, 15136, 15334, 16082, 19393, 22304, 23392, 28208, 28864, 29971, 30272, 30668, 32164, 38786, 44608, 46784, 56416, 59942, 61336, 64328, 77572, 112832, 119884, 122672, 128656, 155144, 239768, 245344, 257312, 310288, 329681, 479536, 490688, 514624, 620576, 659362, 959072, 1241152, 1318724, 1918144, 2637448, 5274896, 10549792, 21099584]

約数ペア:

[(1, 21099584), (2, 10549792), (4, 5274896), (8, 2637448), (11, 1918144), (16, 1318724), (17, 1241152), (22, 959072), (32, 659362), (34, 620576), (41, 514624), (43, 490688), (44, 479536), (64, 329681), (68, 310288), (82, 257312), (86, 245344), (88, 239768), (136, 155144), (164, 128656), (172, 122672), (176, 119884), (187, 112832), (272, 77572), (328, 64328), (344, 61336), (352, 59942), (374, 56416), (451, 46784), (473, 44608), (544, 38786), (656, 32164), (688, 30668), (697, 30272), (704, 29971), (731, 28864), (748, 28208), (902, 23392), (946, 22304), (1088, 19393), (1312, 16082), (1376, 15334), (1394, 15136), (1462, 14432), (1496, 14104), (1763, 11968), (1804, 11696), (1892, 11152), (2624, 8041), (2752, 7667), (2788, 7568), (2924, 7216), (2992, 7052), (3526, 5984), (3608, 5848), (3784, 5576)]