21306950028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{158633}}^1$

素因数の和:158704

約数の個数: 144

約数和(自身を含む): 67905504576

約数和(自身を除く): 46598554548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 41, 42, 52, 63, 78, 82, 84, 91, 117, 123, 126, 156, 164, 182, 234, 246, 252, 273, 287, 364, 369, 468, 492, 533, 546, 574, 738, 819, 861, 1066, 1092, 1148, 1476, 1599, 1638, 1722, 2132, 2583, 3198, 3276, 3444, 3731, 4797, 5166, 6396, 7462, 9594, 10332, 11193, 14924, 19188, 22386, 33579, 44772, 67158, 134316, 158633, 317266, 475899, 634532, 951798, 1110431, 1427697, 1903596, 2062229, 2220862, 2855394, 3331293, 4124458, 4441724, 5710788, 6186687, 6503953, 6662586, 8248916, 9993879, 12373374, 13007906, 13325172, 14435603, 18560061, 19511859, 19987758, 24746748, 26015812, 28871206, 37120122, 39023718, 39975516, 43306809, 45527671, 57742412, 58535577, 74240244, 78047436, 84551389, 86613618, 91055342, 117071154, 129920427, 136583013, 169102778, 173227236, 182110684, 234142308, 253654167, 259840854, 273166026, 338205556, 409749039, 507308334, 519681708, 546332052, 591859723, 760962501, 819498078, 1014616668, 1183719446, 1521925002, 1638996156, 1775579169, 2367438892, 3043850004, 3551158338, 5326737507, 7102316676, 10653475014, 21306950028]

約数ペア:

[(1, 21306950028), (2, 10653475014), (3, 7102316676), (4, 5326737507), (6, 3551158338), (7, 3043850004), (9, 2367438892), (12, 1775579169), (13, 1638996156), (14, 1521925002), (18, 1183719446), (21, 1014616668), (26, 819498078), (28, 760962501), (36, 591859723), (39, 546332052), (41, 519681708), (42, 507308334), (52, 409749039), (63, 338205556), (78, 273166026), (82, 259840854), (84, 253654167), (91, 234142308), (117, 182110684), (123, 173227236), (126, 169102778), (156, 136583013), (164, 129920427), (182, 117071154), (234, 91055342), (246, 86613618), (252, 84551389), (273, 78047436), (287, 74240244), (364, 58535577), (369, 57742412), (468, 45527671), (492, 43306809), (533, 39975516), (546, 39023718), (574, 37120122), (738, 28871206), (819, 26015812), (861, 24746748), (1066, 19987758), (1092, 19511859), (1148, 18560061), (1476, 14435603), (1599, 13325172), (1638, 13007906), (1722, 12373374), (2132, 9993879), (2583, 8248916), (3198, 6662586), (3276, 6503953), (3444, 6186687), (3731, 5710788), (4797, 4441724), (5166, 4124458), (6396, 3331293), (7462, 2855394), (9594, 2220862), (10332, 2062229), (11193, 1903596), (14924, 1427697), (19188, 1110431), (22386, 951798), (33579, 634532), (44772, 475899), (67158, 317266), (134316, 158633)]