21171696

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 69662208

約数和(自身を除く): 48490512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 37, 39, 42, 48, 52, 56, 74, 78, 84, 91, 104, 111, 112, 131, 148, 156, 168, 182, 208, 222, 259, 262, 273, 296, 312, 336, 364, 393, 444, 481, 518, 524, 546, 592, 624, 728, 777, 786, 888, 917, 962, 1036, 1048, 1092, 1443, 1456, 1554, 1572, 1703, 1776, 1834, 1924, 2072, 2096, 2184, 2751, 2886, 3108, 3144, 3367, 3406, 3668, 3848, 4144, 4368, 4847, 5109, 5502, 5772, 6216, 6288, 6734, 6812, 7336, 7696, 9694, 10101, 10218, 11004, 11544, 11921, 12432, 13468, 13624, 14541, 14672, 19388, 20202, 20436, 22008, 23088, 23842, 26936, 27248, 29082, 33929, 35763, 38776, 40404, 40872, 44016, 47684, 53872, 58164, 63011, 67858, 71526, 77552, 80808, 81744, 95368, 101787, 116328, 126022, 135716, 143052, 161616, 189033, 190736, 203574, 232656, 252044, 271432, 286104, 378066, 407148, 441077, 504088, 542864, 572208, 756132, 814296, 882154, 1008176, 1323231, 1512264, 1628592, 1764308, 2646462, 3024528, 3528616, 5292924, 7057232, 10585848, 21171696]

約数ペア:

[(1, 21171696), (2, 10585848), (3, 7057232), (4, 5292924), (6, 3528616), (7, 3024528), (8, 2646462), (12, 1764308), (13, 1628592), (14, 1512264), (16, 1323231), (21, 1008176), (24, 882154), (26, 814296), (28, 756132), (37, 572208), (39, 542864), (42, 504088), (48, 441077), (52, 407148), (56, 378066), (74, 286104), (78, 271432), (84, 252044), (91, 232656), (104, 203574), (111, 190736), (112, 189033), (131, 161616), (148, 143052), (156, 135716), (168, 126022), (182, 116328), (208, 101787), (222, 95368), (259, 81744), (262, 80808), (273, 77552), (296, 71526), (312, 67858), (336, 63011), (364, 58164), (393, 53872), (444, 47684), (481, 44016), (518, 40872), (524, 40404), (546, 38776), (592, 35763), (624, 33929), (728, 29082), (777, 27248), (786, 26936), (888, 23842), (917, 23088), (962, 22008), (1036, 20436), (1048, 20202), (1092, 19388), (1443, 14672), (1456, 14541), (1554, 13624), (1572, 13468), (1703, 12432), (1776, 11921), (1834, 11544), (1924, 11004), (2072, 10218), (2096, 10101), (2184, 9694), (2751, 7696), (2886, 7336), (3108, 6812), (3144, 6734), (3367, 6288), (3406, 6216), (3668, 5772), (3848, 5502), (4144, 5109), (4368, 4847)]