21756908628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{161983}}^1$

素因数の和:162054

約数の個数: 144

約数和(自身を含む): 69339518976

約数和(自身を除く): 47582610348

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, 161983, 323966, 485949, 647932, 971898, 1133881, 1457847, 1943796, 2105779, 2267762, 2915694, 3401643, 4211558, 4535524, 5831388, 6317337, 6641303, 6803286, 8423116, 10204929, 12634674, 13282606, 13606572, 14740453, 18952011, 19923909, 20409858, 25269348, 26565212, 29480906, 37904022, 39847818, 40819716, 44221359, 46489121, 58961812, 59771727, 75808044, 79695636, 86336939, 88442718, 92978242, 119543454, 132664077, 139467363, 172673878, 176885436, 185956484, 239086908, 259010817, 265328154, 278934726, 345347756, 418402089, 518021634, 530656308, 557869452, 604358573, 777032451, 836804178, 1036043268, 1208717146, 1554064902, 1673608356, 1813075719, 2417434292, 3108129804, 3626151438, 5439227157, 7252302876, 10878454314, 21756908628]

約数ペア:

[(1, 21756908628), (2, 10878454314), (3, 7252302876), (4, 5439227157), (6, 3626151438), (7, 3108129804), (9, 2417434292), (12, 1813075719), (13, 1673608356), (14, 1554064902), (18, 1208717146), (21, 1036043268), (26, 836804178), (28, 777032451), (36, 604358573), (39, 557869452), (41, 530656308), (42, 518021634), (52, 418402089), (63, 345347756), (78, 278934726), (82, 265328154), (84, 259010817), (91, 239086908), (117, 185956484), (123, 176885436), (126, 172673878), (156, 139467363), (164, 132664077), (182, 119543454), (234, 92978242), (246, 88442718), (252, 86336939), (273, 79695636), (287, 75808044), (364, 59771727), (369, 58961812), (468, 46489121), (492, 44221359), (533, 40819716), (546, 39847818), (574, 37904022), (738, 29480906), (819, 26565212), (861, 25269348), (1066, 20409858), (1092, 19923909), (1148, 18952011), (1476, 14740453), (1599, 13606572), (1638, 13282606), (1722, 12634674), (2132, 10204929), (2583, 8423116), (3198, 6803286), (3276, 6641303), (3444, 6317337), (3731, 5831388), (4797, 4535524), (5166, 4211558), (6396, 3401643), (7462, 2915694), (9594, 2267762), (10332, 2105779), (11193, 1943796), (14924, 1457847), (19188, 1133881), (22386, 971898), (33579, 647932), (44772, 485949), (67158, 323966), (134316, 161983)]