21740688

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 65808288

約数和(自身を除く): 44067600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 83, 102, 107, 136, 144, 153, 166, 204, 214, 249, 272, 306, 321, 332, 408, 428, 498, 612, 642, 664, 747, 816, 856, 963, 996, 1224, 1284, 1328, 1411, 1494, 1712, 1819, 1926, 1992, 2448, 2568, 2822, 2988, 3638, 3852, 3984, 4233, 5136, 5457, 5644, 5976, 7276, 7704, 8466, 8881, 10914, 11288, 11952, 12699, 14552, 15408, 16371, 16932, 17762, 21828, 22576, 25398, 26643, 29104, 32742, 33864, 35524, 43656, 50796, 53286, 65484, 67728, 71048, 79929, 87312, 101592, 106572, 130968, 142096, 150977, 159858, 203184, 213144, 261936, 301954, 319716, 426288, 452931, 603908, 639432, 905862, 1207816, 1278864, 1358793, 1811724, 2415632, 2717586, 3623448, 5435172, 7246896, 10870344, 21740688]

約数ペア:

[(1, 21740688), (2, 10870344), (3, 7246896), (4, 5435172), (6, 3623448), (8, 2717586), (9, 2415632), (12, 1811724), (16, 1358793), (17, 1278864), (18, 1207816), (24, 905862), (34, 639432), (36, 603908), (48, 452931), (51, 426288), (68, 319716), (72, 301954), (83, 261936), (102, 213144), (107, 203184), (136, 159858), (144, 150977), (153, 142096), (166, 130968), (204, 106572), (214, 101592), (249, 87312), (272, 79929), (306, 71048), (321, 67728), (332, 65484), (408, 53286), (428, 50796), (498, 43656), (612, 35524), (642, 33864), (664, 32742), (747, 29104), (816, 26643), (856, 25398), (963, 22576), (996, 21828), (1224, 17762), (1284, 16932), (1328, 16371), (1411, 15408), (1494, 14552), (1712, 12699), (1819, 11952), (1926, 11288), (1992, 10914), (2448, 8881), (2568, 8466), (2822, 7704), (2988, 7276), (3638, 5976), (3852, 5644), (3984, 5457), (4233, 5136)]