21591504

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 67665312

約数和(自身を除く): 46073808

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 43, 44, 48, 66, 72, 86, 88, 99, 129, 132, 144, 172, 176, 198, 258, 264, 317, 344, 387, 396, 473, 516, 528, 634, 688, 774, 792, 946, 951, 1032, 1268, 1419, 1548, 1584, 1892, 1902, 2064, 2536, 2838, 2853, 3096, 3487, 3784, 3804, 4257, 5072, 5676, 5706, 6192, 6974, 7568, 7608, 8514, 10461, 11352, 11412, 13631, 13948, 15216, 17028, 20922, 22704, 22824, 27262, 27896, 31383, 34056, 40893, 41844, 45648, 54524, 55792, 62766, 68112, 81786, 83688, 109048, 122679, 125532, 149941, 163572, 167376, 218096, 245358, 251064, 299882, 327144, 449823, 490716, 502128, 599764, 654288, 899646, 981432, 1199528, 1349469, 1799292, 1962864, 2399056, 2698938, 3598584, 5397876, 7197168, 10795752, 21591504]

約数ペア:

[(1, 21591504), (2, 10795752), (3, 7197168), (4, 5397876), (6, 3598584), (8, 2698938), (9, 2399056), (11, 1962864), (12, 1799292), (16, 1349469), (18, 1199528), (22, 981432), (24, 899646), (33, 654288), (36, 599764), (43, 502128), (44, 490716), (48, 449823), (66, 327144), (72, 299882), (86, 251064), (88, 245358), (99, 218096), (129, 167376), (132, 163572), (144, 149941), (172, 125532), (176, 122679), (198, 109048), (258, 83688), (264, 81786), (317, 68112), (344, 62766), (387, 55792), (396, 54524), (473, 45648), (516, 41844), (528, 40893), (634, 34056), (688, 31383), (774, 27896), (792, 27262), (946, 22824), (951, 22704), (1032, 20922), (1268, 17028), (1419, 15216), (1548, 13948), (1584, 13631), (1892, 11412), (1902, 11352), (2064, 10461), (2536, 8514), (2838, 7608), (2853, 7568), (3096, 6974), (3487, 6192), (3784, 5706), (3804, 5676), (4257, 5072)]