21000824544

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2659}}^1$

素因数の和:2782

約数の個数: 288

約数和(自身を含む): 67857834240

約数和(自身を除く): 46857009696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 69, 73, 84, 92, 96, 98, 112, 138, 146, 147, 161, 168, 184, 196, 219, 224, 276, 292, 294, 322, 336, 368, 392, 438, 483, 511, 552, 584, 588, 644, 672, 736, 784, 876, 966, 1022, 1104, 1127, 1168, 1176, 1288, 1533, 1568, 1679, 1752, 1932, 2044, 2208, 2254, 2336, 2352, 2576, 2659, 3066, 3358, 3381, 3504, 3577, 3864, 4088, 4508, 4704, 5037, 5152, 5318, 6132, 6716, 6762, 7008, 7154, 7728, 7977, 8176, 9016, 10074, 10636, 10731, 11753, 12264, 13432, 13524, 14308, 15456, 15954, 16352, 18032, 18613, 20148, 21272, 21462, 23506, 24528, 26864, 27048, 28616, 31908, 35259, 36064, 37226, 40296, 42544, 42924, 47012, 49056, 53728, 54096, 55839, 57232, 61157, 63816, 70518, 74452, 80592, 82271, 85088, 85848, 94024, 108192, 111678, 114464, 122314, 127632, 130291, 141036, 148904, 161184, 164542, 171696, 183471, 188048, 194107, 223356, 244628, 246813, 255264, 260582, 282072, 297808, 329084, 343392, 366942, 376096, 388214, 390873, 428099, 446712, 489256, 493626, 521164, 564144, 582321, 595616, 658168, 733884, 776428, 781746, 856198, 893424, 978512, 987252, 1042328, 1128288, 1164642, 1284297, 1316336, 1358749, 1467768, 1552856, 1563492, 1712396, 1786848, 1957024, 1974504, 2084656, 2329284, 2568594, 2632672, 2717498, 2935536, 2996693, 3105712, 3126984, 3424792, 3949008, 4076247, 4169312, 4464461, 4658568, 5137188, 5434996, 5871072, 5993386, 6211424, 6253968, 6849584, 7898016, 8152494, 8928922, 8990079, 9317136, 9511243, 10274376, 10869992, 11986772, 12507936, 13393383, 13699168, 16304988, 17857844, 17980158, 18634272, 19022486, 20548752, 21739984, 23973544, 26786766, 28533729, 31251227, 32609976, 35715688, 35960316, 38044972, 41097504, 43479968, 47947088, 53573532, 57067458, 62502454, 65219952, 71431376, 71920632, 76089944, 93753681, 95894176, 107147064, 114134916, 125004908, 130439904, 142862752, 143841264, 152179888, 187507362, 214294128, 218758589, 228269832, 250009816, 287682528, 304359776, 375014724, 428588256, 437517178, 456539664, 500019632, 656275767, 750029448, 875034356, 913079328, 1000039264, 1312551534, 1500058896, 1750068712, 2625103068, 3000117792, 3500137424, 5250206136, 7000274848, 10500412272, 21000824544]

約数ペア:

[(1, 21000824544), (2, 10500412272), (3, 7000274848), (4, 5250206136), (6, 3500137424), (7, 3000117792), (8, 2625103068), (12, 1750068712), (14, 1500058896), (16, 1312551534), (21, 1000039264), (23, 913079328), (24, 875034356), (28, 750029448), (32, 656275767), (42, 500019632), (46, 456539664), (48, 437517178), (49, 428588256), (56, 375014724), (69, 304359776), (73, 287682528), (84, 250009816), (92, 228269832), (96, 218758589), (98, 214294128), (112, 187507362), (138, 152179888), (146, 143841264), (147, 142862752), (161, 130439904), (168, 125004908), (184, 114134916), (196, 107147064), (219, 95894176), (224, 93753681), (276, 76089944), (292, 71920632), (294, 71431376), (322, 65219952), (336, 62502454), (368, 57067458), (392, 53573532), (438, 47947088), (483, 43479968), (511, 41097504), (552, 38044972), (584, 35960316), (588, 35715688), (644, 32609976), (672, 31251227), (736, 28533729), (784, 26786766), (876, 23973544), (966, 21739984), (1022, 20548752), (1104, 19022486), (1127, 18634272), (1168, 17980158), (1176, 17857844), (1288, 16304988), (1533, 13699168), (1568, 13393383), (1679, 12507936), (1752, 11986772), (1932, 10869992), (2044, 10274376), (2208, 9511243), (2254, 9317136), (2336, 8990079), (2352, 8928922), (2576, 8152494), (2659, 7898016), (3066, 6849584), (3358, 6253968), (3381, 6211424), (3504, 5993386), (3577, 5871072), (3864, 5434996), (4088, 5137188), (4508, 4658568), (4704, 4464461), (5037, 4169312), (5152, 4076247), (5318, 3949008), (6132, 3424792), (6716, 3126984), (6762, 3105712), (7008, 2996693), (7154, 2935536), (7728, 2717498), (7977, 2632672), (8176, 2568594), (9016, 2329284), (10074, 2084656), (10636, 1974504), (10731, 1957024), (11753, 1786848), (12264, 1712396), (13432, 1563492), (13524, 1552856), (14308, 1467768), (15456, 1358749), (15954, 1316336), (16352, 1284297), (18032, 1164642), (18613, 1128288), (20148, 1042328), (21272, 987252), (21462, 978512), (23506, 893424), (24528, 856198), (26864, 781746), (27048, 776428), (28616, 733884), (31908, 658168), (35259, 595616), (36064, 582321), (37226, 564144), (40296, 521164), (42544, 493626), (42924, 489256), (47012, 446712), (49056, 428099), (53728, 390873), (54096, 388214), (55839, 376096), (57232, 366942), (61157, 343392), (63816, 329084), (70518, 297808), (74452, 282072), (80592, 260582), (82271, 255264), (85088, 246813), (85848, 244628), (94024, 223356), (108192, 194107), (111678, 188048), (114464, 183471), (122314, 171696), (127632, 164542), (130291, 161184), (141036, 148904)]