21388333008

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{1299097}}^1$

素因数の和:1299129

約数の個数: 80

約数和(自身を含む): 64435260800

約数和(自身を除く): 43046927792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1372, 2058, 2352, 2744, 4116, 5488, 8232, 16464, 1299097, 2598194, 3897291, 5196388, 7794582, 9093679, 10392776, 15589164, 18187358, 20785552, 27281037, 31178328, 36374716, 54562074, 62356656, 63655753, 72749432, 109124148, 127311506, 145498864, 190967259, 218248296, 254623012, 381934518, 436496592, 445590271, 509246024, 763869036, 891180542, 1018492048, 1336770813, 1527738072, 1782361084, 2673541626, 3055476144, 3564722168, 5347083252, 7129444336, 10694166504, 21388333008]

約数ペア:

[(1, 21388333008), (2, 10694166504), (3, 7129444336), (4, 5347083252), (6, 3564722168), (7, 3055476144), (8, 2673541626), (12, 1782361084), (14, 1527738072), (16, 1336770813), (21, 1018492048), (24, 891180542), (28, 763869036), (42, 509246024), (48, 445590271), (49, 436496592), (56, 381934518), (84, 254623012), (98, 218248296), (112, 190967259), (147, 145498864), (168, 127311506), (196, 109124148), (294, 72749432), (336, 63655753), (343, 62356656), (392, 54562074), (588, 36374716), (686, 31178328), (784, 27281037), (1029, 20785552), (1176, 18187358), (1372, 15589164), (2058, 10392776), (2352, 9093679), (2744, 7794582), (4116, 5196388), (5488, 3897291), (8232, 2598194), (16464, 1299097)]