21018691008

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{41047}}^1$

素因数の和:41199

約数の個数: 168

約数和(自身を含む): 69396733952

約数和(自身を除く): 48378042944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 127, 144, 168, 192, 224, 252, 254, 288, 336, 381, 448, 504, 508, 576, 672, 762, 889, 1008, 1016, 1143, 1344, 1524, 1778, 2016, 2032, 2286, 2667, 3048, 3556, 4032, 4064, 4572, 5334, 6096, 7112, 8001, 8128, 9144, 10668, 12192, 14224, 16002, 18288, 21336, 24384, 28448, 32004, 36576, 41047, 42672, 56896, 64008, 73152, 82094, 85344, 123141, 128016, 164188, 170688, 246282, 256032, 287329, 328376, 369423, 492564, 512064, 574658, 656752, 738846, 861987, 985128, 1149316, 1313504, 1477692, 1723974, 1970256, 2298632, 2585961, 2627008, 2955384, 3447948, 3940512, 4597264, 5171922, 5212969, 5910768, 6895896, 7881024, 9194528, 10343844, 10425938, 11821536, 13791792, 15638907, 18389056, 20687688, 20851876, 23643072, 27583584, 31277814, 36490783, 41375376, 41703752, 46916721, 55167168, 62555628, 72981566, 82750752, 83407504, 93833442, 109472349, 125111256, 145963132, 165501504, 166815008, 187666884, 218944698, 250222512, 291926264, 328417047, 333630016, 375333768, 437889396, 500445024, 583852528, 656834094, 750667536, 875778792, 1000890048, 1167705056, 1313668188, 1501335072, 1751557584, 2335410112, 2627336376, 3002670144, 3503115168, 5254672752, 7006230336, 10509345504, 21018691008]

約数ペア:

[(1, 21018691008), (2, 10509345504), (3, 7006230336), (4, 5254672752), (6, 3503115168), (7, 3002670144), (8, 2627336376), (9, 2335410112), (12, 1751557584), (14, 1501335072), (16, 1313668188), (18, 1167705056), (21, 1000890048), (24, 875778792), (28, 750667536), (32, 656834094), (36, 583852528), (42, 500445024), (48, 437889396), (56, 375333768), (63, 333630016), (64, 328417047), (72, 291926264), (84, 250222512), (96, 218944698), (112, 187666884), (126, 166815008), (127, 165501504), (144, 145963132), (168, 125111256), (192, 109472349), (224, 93833442), (252, 83407504), (254, 82750752), (288, 72981566), (336, 62555628), (381, 55167168), (448, 46916721), (504, 41703752), (508, 41375376), (576, 36490783), (672, 31277814), (762, 27583584), (889, 23643072), (1008, 20851876), (1016, 20687688), (1143, 18389056), (1344, 15638907), (1524, 13791792), (1778, 11821536), (2016, 10425938), (2032, 10343844), (2286, 9194528), (2667, 7881024), (3048, 6895896), (3556, 5910768), (4032, 5212969), (4064, 5171922), (4572, 4597264), (5334, 3940512), (6096, 3447948), (7112, 2955384), (8001, 2627008), (8128, 2585961), (9144, 2298632), (10668, 1970256), (12192, 1723974), (14224, 1477692), (16002, 1313504), (18288, 1149316), (21336, 985128), (24384, 861987), (28448, 738846), (32004, 656752), (36576, 574658), (41047, 512064), (42672, 492564), (56896, 369423), (64008, 328376), (73152, 287329), (82094, 256032), (85344, 246282), (123141, 170688), (128016, 164188)]