21158903220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1\times {\mathrm{3803}}^1$

素因数の和:4854

約数の個数: 192

約数和(自身を含む): 73007585280

約数和(自身を除く): 51848682060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1019, 1092, 1365, 1820, 2038, 2730, 3057, 3803, 4076, 5095, 5460, 6114, 7133, 7606, 10190, 11409, 12228, 13247, 14266, 15212, 15285, 19015, 20380, 21399, 22818, 26494, 26621, 28532, 30570, 35665, 38030, 39741, 42798, 45636, 49439, 52988, 53242, 57045, 61140, 66235, 71330, 76060, 79482, 79863, 85596, 92729, 98878, 106484, 106995, 114090, 132470, 133105, 142660, 148317, 158964, 159726, 185458, 197756, 198705, 213990, 228180, 247195, 264940, 266210, 278187, 296634, 319452, 346073, 370916, 397410, 399315, 427980, 463645, 494390, 532420, 556374, 593268, 692146, 741585, 794820, 798630, 927290, 988780, 1038219, 1112748, 1384292, 1390935, 1483170, 1597260, 1730365, 1854580, 2076438, 2781870, 2966340, 3460730, 3875257, 4152876, 5191095, 5563740, 6921460, 7750514, 10382190, 11625771, 15501028, 19376285, 20764380, 23251542, 27126799, 38752570, 46503084, 50378341, 54253598, 58128855, 77505140, 81380397, 100756682, 108507196, 116257710, 135633995, 151135023, 162760794, 201513364, 232515420, 251891705, 271267990, 302270046, 325521588, 352648387, 406901985, 503783410, 542535980, 604540092, 705296774, 755675115, 813803970, 1007566820, 1057945161, 1410593548, 1511350230, 1627607940, 1763241935, 2115890322, 3022700460, 3526483870, 4231780644, 5289725805, 7052967740, 10579451610, 21158903220]

約数ペア:

[(1, 21158903220), (2, 10579451610), (3, 7052967740), (4, 5289725805), (5, 4231780644), (6, 3526483870), (7, 3022700460), (10, 2115890322), (12, 1763241935), (13, 1627607940), (14, 1511350230), (15, 1410593548), (20, 1057945161), (21, 1007566820), (26, 813803970), (28, 755675115), (30, 705296774), (35, 604540092), (39, 542535980), (42, 503783410), (52, 406901985), (60, 352648387), (65, 325521588), (70, 302270046), (78, 271267990), (84, 251891705), (91, 232515420), (105, 201513364), (130, 162760794), (140, 151135023), (156, 135633995), (182, 116257710), (195, 108507196), (210, 100756682), (260, 81380397), (273, 77505140), (364, 58128855), (390, 54253598), (420, 50378341), (455, 46503084), (546, 38752570), (780, 27126799), (910, 23251542), (1019, 20764380), (1092, 19376285), (1365, 15501028), (1820, 11625771), (2038, 10382190), (2730, 7750514), (3057, 6921460), (3803, 5563740), (4076, 5191095), (5095, 4152876), (5460, 3875257), (6114, 3460730), (7133, 2966340), (7606, 2781870), (10190, 2076438), (11409, 1854580), (12228, 1730365), (13247, 1597260), (14266, 1483170), (15212, 1390935), (15285, 1384292), (19015, 1112748), (20380, 1038219), (21399, 988780), (22818, 927290), (26494, 798630), (26621, 794820), (28532, 741585), (30570, 692146), (35665, 593268), (38030, 556374), (39741, 532420), (42798, 494390), (45636, 463645), (49439, 427980), (52988, 399315), (53242, 397410), (57045, 370916), (61140, 346073), (66235, 319452), (71330, 296634), (76060, 278187), (79482, 266210), (79863, 264940), (85596, 247195), (92729, 228180), (98878, 213990), (106484, 198705), (106995, 197756), (114090, 185458), (132470, 159726), (133105, 158964), (142660, 148317)]