21105385056

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{498521}}^1$

素因数の和:498554

約数の個数: 144

約数和(自身を含む): 71607700080

約数和(自身を除く): 50502315024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 504, 588, 672, 756, 784, 864, 882, 1008, 1176, 1323, 1512, 1568, 1764, 2016, 2352, 2646, 3024, 3528, 4704, 5292, 6048, 7056, 10584, 14112, 21168, 42336, 498521, 997042, 1495563, 1994084, 2991126, 3489647, 3988168, 4486689, 5982252, 6979294, 7976336, 8973378, 10468941, 11964504, 13460067, 13958588, 15952672, 17946756, 20937882, 23929008, 24427529, 26920134, 27917176, 31406823, 35893512, 41875764, 47858016, 48855058, 53840268, 55834352, 62813646, 71787024, 73282587, 83751528, 94220469, 97710116, 107680536, 111668704, 125627292, 143574048, 146565174, 167503056, 188440938, 195420232, 215361072, 219847761, 251254584, 293130348, 335006112, 376881876, 390840464, 430722144, 439695522, 502509168, 586260696, 659543283, 753763752, 781680928, 879391044, 1005018336, 1172521392, 1319086566, 1507527504, 1758782088, 2345042784, 2638173132, 3015055008, 3517564176, 5276346264, 7035128352, 10552692528, 21105385056]

約数ペア:

[(1, 21105385056), (2, 10552692528), (3, 7035128352), (4, 5276346264), (6, 3517564176), (7, 3015055008), (8, 2638173132), (9, 2345042784), (12, 1758782088), (14, 1507527504), (16, 1319086566), (18, 1172521392), (21, 1005018336), (24, 879391044), (27, 781680928), (28, 753763752), (32, 659543283), (36, 586260696), (42, 502509168), (48, 439695522), (49, 430722144), (54, 390840464), (56, 376881876), (63, 335006112), (72, 293130348), (84, 251254584), (96, 219847761), (98, 215361072), (108, 195420232), (112, 188440938), (126, 167503056), (144, 146565174), (147, 143574048), (168, 125627292), (189, 111668704), (196, 107680536), (216, 97710116), (224, 94220469), (252, 83751528), (288, 73282587), (294, 71787024), (336, 62813646), (378, 55834352), (392, 53840268), (432, 48855058), (441, 47858016), (504, 41875764), (588, 35893512), (672, 31406823), (756, 27917176), (784, 26920134), (864, 24427529), (882, 23929008), (1008, 20937882), (1176, 17946756), (1323, 15952672), (1512, 13958588), (1568, 13460067), (1764, 11964504), (2016, 10468941), (2352, 8973378), (2646, 7976336), (3024, 6979294), (3528, 5982252), (4704, 4486689), (5292, 3988168), (6048, 3489647), (7056, 2991126), (10584, 1994084), (14112, 1495563), (21168, 997042), (42336, 498521)]