21000966525

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8597}}^1$

素因数の和:8681

約数の個数: 192

約数和(自身を含む): 49128284160

約数和(自身を除く): 28127317635

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 47, 55, 63, 75, 77, 99, 105, 135, 141, 165, 175, 189, 225, 231, 235, 275, 297, 315, 329, 385, 423, 495, 517, 525, 675, 693, 705, 825, 945, 987, 1155, 1175, 1269, 1485, 1551, 1575, 1645, 1925, 2079, 2115, 2475, 2585, 2961, 3465, 3525, 3619, 4653, 4725, 4935, 5775, 6345, 7425, 7755, 8225, 8597, 8883, 10395, 10575, 10857, 12925, 13959, 14805, 17325, 18095, 23265, 24675, 25791, 31725, 32571, 38775, 42985, 44415, 51975, 54285, 60179, 69795, 74025, 77373, 90475, 94567, 97713, 116325, 128955, 162855, 180537, 214925, 222075, 232119, 271425, 283701, 300895, 348975, 386865, 404059, 472835, 488565, 541611, 644775, 661969, 814275, 851103, 902685, 1160595, 1212177, 1418505, 1504475, 1624833, 1934325, 1985907, 2020295, 2364175, 2442825, 2553309, 2708055, 2828413, 3309845, 3636531, 4255515, 4444649, 4513425, 5802975, 5957721, 6060885, 7092525, 8124165, 8485239, 9929535, 10101475, 10909593, 12766545, 13333947, 13540275, 14142065, 16549225, 17873163, 18182655, 21277575, 22223245, 25455717, 29788605, 30304425, 31112543, 40001841, 40620825, 42426195, 49647675, 54547965, 63832725, 66669735, 70710325, 76367151, 89365815, 90913275, 93337629, 111116225, 120005523, 127278585, 148943025, 155562715, 200009205, 212130975, 272739825, 280012887, 333348675, 381835755, 446829075, 466688145, 600027615, 636392925, 777813575, 840038661, 1000046025, 1400064435, 1909178775, 2333440725, 3000138075, 4200193305, 7000322175, 21000966525]

約数ペア:

[(1, 21000966525), (3, 7000322175), (5, 4200193305), (7, 3000138075), (9, 2333440725), (11, 1909178775), (15, 1400064435), (21, 1000046025), (25, 840038661), (27, 777813575), (33, 636392925), (35, 600027615), (45, 466688145), (47, 446829075), (55, 381835755), (63, 333348675), (75, 280012887), (77, 272739825), (99, 212130975), (105, 200009205), (135, 155562715), (141, 148943025), (165, 127278585), (175, 120005523), (189, 111116225), (225, 93337629), (231, 90913275), (235, 89365815), (275, 76367151), (297, 70710325), (315, 66669735), (329, 63832725), (385, 54547965), (423, 49647675), (495, 42426195), (517, 40620825), (525, 40001841), (675, 31112543), (693, 30304425), (705, 29788605), (825, 25455717), (945, 22223245), (987, 21277575), (1155, 18182655), (1175, 17873163), (1269, 16549225), (1485, 14142065), (1551, 13540275), (1575, 13333947), (1645, 12766545), (1925, 10909593), (2079, 10101475), (2115, 9929535), (2475, 8485239), (2585, 8124165), (2961, 7092525), (3465, 6060885), (3525, 5957721), (3619, 5802975), (4653, 4513425), (4725, 4444649), (4935, 4255515), (5775, 3636531), (6345, 3309845), (7425, 2828413), (7755, 2708055), (8225, 2553309), (8597, 2442825), (8883, 2364175), (10395, 2020295), (10575, 1985907), (10857, 1934325), (12925, 1624833), (13959, 1504475), (14805, 1418505), (17325, 1212177), (18095, 1160595), (23265, 902685), (24675, 851103), (25791, 814275), (31725, 661969), (32571, 644775), (38775, 541611), (42985, 488565), (44415, 472835), (51975, 404059), (54285, 386865), (60179, 348975), (69795, 300895), (74025, 283701), (77373, 271425), (90475, 232119), (94567, 222075), (97713, 214925), (116325, 180537), (128955, 162855)]