21580375152

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{354847}}^1$

素因数の和:355046

約数の個数: 80

約数和(自身を含む): 64065677312

約数和(自身を除く): 42485302160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 181, 336, 362, 543, 724, 1086, 1267, 1448, 2172, 2534, 2896, 3801, 4344, 5068, 7602, 8688, 10136, 15204, 20272, 30408, 60816, 354847, 709694, 1064541, 1419388, 2129082, 2483929, 2838776, 4258164, 4967858, 5677552, 7451787, 8516328, 9935716, 14903574, 17032656, 19871432, 29807148, 39742864, 59614296, 64227307, 119228592, 128454614, 192681921, 256909228, 385363842, 449591149, 513818456, 770727684, 899182298, 1027636912, 1348773447, 1541455368, 1798364596, 2697546894, 3082910736, 3596729192, 5395093788, 7193458384, 10790187576, 21580375152]

約数ペア:

[(1, 21580375152), (2, 10790187576), (3, 7193458384), (4, 5395093788), (6, 3596729192), (7, 3082910736), (8, 2697546894), (12, 1798364596), (14, 1541455368), (16, 1348773447), (21, 1027636912), (24, 899182298), (28, 770727684), (42, 513818456), (48, 449591149), (56, 385363842), (84, 256909228), (112, 192681921), (168, 128454614), (181, 119228592), (336, 64227307), (362, 59614296), (543, 39742864), (724, 29807148), (1086, 19871432), (1267, 17032656), (1448, 14903574), (2172, 9935716), (2534, 8516328), (2896, 7451787), (3801, 5677552), (4344, 4967858), (5068, 4258164), (7602, 2838776), (8688, 2483929), (10136, 2129082), (15204, 1419388), (20272, 1064541), (30408, 709694), (60816, 354847)]