21400775968

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{161267}}^1$

素因数の和:161330

約数の個数: 96

約数和(自身を含む): 51205815360

約数和(自身を除く): 29805039392

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 32, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 286, 319, 352, 377, 416, 464, 572, 638, 754, 928, 1144, 1276, 1508, 2288, 2552, 3016, 4147, 4576, 5104, 6032, 8294, 10208, 12064, 16588, 33176, 66352, 132704, 161267, 322534, 645068, 1290136, 1773937, 2096471, 2580272, 3547874, 4192942, 4676743, 5160544, 7095748, 8385884, 9353486, 14191496, 16771768, 18706972, 23061181, 28382992, 33543536, 37413944, 46122362, 51444173, 56765984, 60797659, 67087072, 74827888, 92244724, 102888346, 121595318, 149655776, 184489448, 205776692, 243190636, 368978896, 411553384, 486381272, 668774249, 737957792, 823106768, 972762544, 1337548498, 1646213536, 1945525088, 2675096996, 5350193992, 10700387984, 21400775968]

約数ペア:

[(1, 21400775968), (2, 10700387984), (4, 5350193992), (8, 2675096996), (11, 1945525088), (13, 1646213536), (16, 1337548498), (22, 972762544), (26, 823106768), (29, 737957792), (32, 668774249), (44, 486381272), (52, 411553384), (58, 368978896), (88, 243190636), (104, 205776692), (116, 184489448), (143, 149655776), (176, 121595318), (208, 102888346), (232, 92244724), (286, 74827888), (319, 67087072), (352, 60797659), (377, 56765984), (416, 51444173), (464, 46122362), (572, 37413944), (638, 33543536), (754, 28382992), (928, 23061181), (1144, 18706972), (1276, 16771768), (1508, 14191496), (2288, 9353486), (2552, 8385884), (3016, 7095748), (4147, 5160544), (4576, 4676743), (5104, 4192942), (6032, 3547874), (8294, 2580272), (10208, 2096471), (12064, 1773937), (16588, 1290136), (33176, 645068), (66352, 322534), (132704, 161267)]