21000940480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 336

約数和(自身を含む): 58553933184

約数和(自身を除く): 37552992704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 53, 64, 65, 68, 80, 85, 104, 106, 130, 136, 160, 169, 170, 208, 212, 221, 260, 265, 272, 320, 338, 340, 416, 424, 431, 442, 520, 530, 544, 676, 680, 689, 832, 845, 848, 862, 884, 901, 1040, 1060, 1088, 1105, 1352, 1360, 1378, 1690, 1696, 1724, 1768, 1802, 2080, 2120, 2155, 2210, 2704, 2720, 2756, 2873, 3380, 3392, 3445, 3448, 3536, 3604, 4160, 4240, 4310, 4420, 4505, 5408, 5440, 5512, 5603, 5746, 6760, 6890, 6896, 7072, 7208, 7327, 8480, 8620, 8840, 8957, 9010, 10816, 11024, 11206, 11492, 11713, 13520, 13780, 13792, 14144, 14365, 14416, 14654, 16960, 17240, 17680, 17914, 18020, 22048, 22412, 22843, 22984, 23426, 27040, 27560, 27584, 28015, 28730, 28832, 29308, 34480, 35360, 35828, 36040, 36635, 44096, 44785, 44824, 45686, 45968, 46852, 54080, 55120, 56030, 57460, 57664, 58565, 58616, 68960, 70720, 71656, 72080, 72839, 73270, 89570, 89648, 91372, 91936, 93704, 95251, 110240, 112060, 114215, 114920, 117130, 117232, 137920, 143312, 144160, 145678, 146540, 152269, 179140, 179296, 182744, 183872, 187408, 190502, 220480, 224120, 228430, 229840, 234260, 234464, 286624, 288320, 291356, 293080, 296959, 304538, 358280, 358592, 364195, 365488, 374816, 381004, 388331, 448240, 456860, 459680, 468520, 468928, 476255, 573248, 582712, 586160, 593918, 609076, 716560, 728390, 730976, 749632, 761345, 762008, 776662, 896480, 913720, 919360, 937040, 952510, 1165424, 1172320, 1187836, 1218152, 1238263, 1433120, 1456780, 1461952, 1484795, 1522690, 1524016, 1553324, 1792960, 1827440, 1874080, 1905020, 1941655, 2330848, 2344640, 2375672, 2436304, 2476526, 2866240, 2913560, 2969590, 3045380, 3048032, 3106648, 3654880, 3748160, 3810040, 3860467, 3883310, 4661696, 4751344, 4872608, 4953052, 5048303, 5827120, 5939180, 6090760, 6096064, 6191315, 6213296, 7309760, 7620080, 7720934, 7766620, 9502688, 9745216, 9906104, 10096606, 11654240, 11878360, 12181520, 12382630, 12426592, 15240160, 15441868, 15533240, 19005376, 19302335, 19812208, 20193212, 23308480, 23756720, 24363040, 24765260, 24853184, 25241515, 30480320, 30883736, 31066480, 38604670, 39624416, 40386424, 47513440, 48726080, 49530520, 50483030, 61767472, 62132960, 65627939, 77209340, 79248832, 80772848, 95026880, 99061040, 100966060, 123534944, 124265920, 131255878, 154418680, 161545696, 198122080, 201932120, 247069888, 262511756, 308837360, 323091392, 328139695, 396244160, 403864240, 525023512, 617674720, 656279390, 807728480, 1050047024, 1235349440, 1312558780, 1615456960, 2100094048, 2625117560, 4200188096, 5250235120, 10500470240, 21000940480]

約数ペア:

[(1, 21000940480), (2, 10500470240), (4, 5250235120), (5, 4200188096), (8, 2625117560), (10, 2100094048), (13, 1615456960), (16, 1312558780), (17, 1235349440), (20, 1050047024), (26, 807728480), (32, 656279390), (34, 617674720), (40, 525023512), (52, 403864240), (53, 396244160), (64, 328139695), (65, 323091392), (68, 308837360), (80, 262511756), (85, 247069888), (104, 201932120), (106, 198122080), (130, 161545696), (136, 154418680), (160, 131255878), (169, 124265920), (170, 123534944), (208, 100966060), (212, 99061040), (221, 95026880), (260, 80772848), (265, 79248832), (272, 77209340), (320, 65627939), (338, 62132960), (340, 61767472), (416, 50483030), (424, 49530520), (431, 48726080), (442, 47513440), (520, 40386424), (530, 39624416), (544, 38604670), (676, 31066480), (680, 30883736), (689, 30480320), (832, 25241515), (845, 24853184), (848, 24765260), (862, 24363040), (884, 23756720), (901, 23308480), (1040, 20193212), (1060, 19812208), (1088, 19302335), (1105, 19005376), (1352, 15533240), (1360, 15441868), (1378, 15240160), (1690, 12426592), (1696, 12382630), (1724, 12181520), (1768, 11878360), (1802, 11654240), (2080, 10096606), (2120, 9906104), (2155, 9745216), (2210, 9502688), (2704, 7766620), (2720, 7720934), (2756, 7620080), (2873, 7309760), (3380, 6213296), (3392, 6191315), (3445, 6096064), (3448, 6090760), (3536, 5939180), (3604, 5827120), (4160, 5048303), (4240, 4953052), (4310, 4872608), (4420, 4751344), (4505, 4661696), (5408, 3883310), (5440, 3860467), (5512, 3810040), (5603, 3748160), (5746, 3654880), (6760, 3106648), (6890, 3048032), (6896, 3045380), (7072, 2969590), (7208, 2913560), (7327, 2866240), (8480, 2476526), (8620, 2436304), (8840, 2375672), (8957, 2344640), (9010, 2330848), (10816, 1941655), (11024, 1905020), (11206, 1874080), (11492, 1827440), (11713, 1792960), (13520, 1553324), (13780, 1524016), (13792, 1522690), (14144, 1484795), (14365, 1461952), (14416, 1456780), (14654, 1433120), (16960, 1238263), (17240, 1218152), (17680, 1187836), (17914, 1172320), (18020, 1165424), (22048, 952510), (22412, 937040), (22843, 919360), (22984, 913720), (23426, 896480), (27040, 776662), (27560, 762008), (27584, 761345), (28015, 749632), (28730, 730976), (28832, 728390), (29308, 716560), (34480, 609076), (35360, 593918), (35828, 586160), (36040, 582712), (36635, 573248), (44096, 476255), (44785, 468928), (44824, 468520), (45686, 459680), (45968, 456860), (46852, 448240), (54080, 388331), (55120, 381004), (56030, 374816), (57460, 365488), (57664, 364195), (58565, 358592), (58616, 358280), (68960, 304538), (70720, 296959), (71656, 293080), (72080, 291356), (72839, 288320), (73270, 286624), (89570, 234464), (89648, 234260), (91372, 229840), (91936, 228430), (93704, 224120), (95251, 220480), (110240, 190502), (112060, 187408), (114215, 183872), (114920, 182744), (117130, 179296), (117232, 179140), (137920, 152269), (143312, 146540), (144160, 145678)]