21040469856

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{1490963}}^1$

素因数の和:1490993

約数の個数: 108

約数和(自身を含む): 69602672412

約数和(自身を除く): 48562202556

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1568, 1764, 2016, 2352, 3528, 4704, 7056, 14112, 1490963, 2981926, 4472889, 5963852, 8945778, 10436741, 11927704, 13418667, 17891556, 20873482, 23855408, 26837334, 31310223, 35783112, 41746964, 47710816, 53674668, 62620446, 71566224, 73057187, 83493928, 93930669, 107349336, 125240892, 143132448, 146114374, 166987856, 187861338, 214698672, 219171561, 250481784, 292228748, 333975712, 375722676, 429397344, 438343122, 500963568, 584457496, 657514683, 751445352, 876686244, 1001927136, 1168914992, 1315029366, 1502890704, 1753372488, 2337829984, 2630058732, 3005781408, 3506744976, 5260117464, 7013489952, 10520234928, 21040469856]

約数ペア:

[(1, 21040469856), (2, 10520234928), (3, 7013489952), (4, 5260117464), (6, 3506744976), (7, 3005781408), (8, 2630058732), (9, 2337829984), (12, 1753372488), (14, 1502890704), (16, 1315029366), (18, 1168914992), (21, 1001927136), (24, 876686244), (28, 751445352), (32, 657514683), (36, 584457496), (42, 500963568), (48, 438343122), (49, 429397344), (56, 375722676), (63, 333975712), (72, 292228748), (84, 250481784), (96, 219171561), (98, 214698672), (112, 187861338), (126, 166987856), (144, 146114374), (147, 143132448), (168, 125240892), (196, 107349336), (224, 93930669), (252, 83493928), (288, 73057187), (294, 71566224), (336, 62620446), (392, 53674668), (441, 47710816), (504, 41746964), (588, 35783112), (672, 31310223), (784, 26837334), (882, 23855408), (1008, 20873482), (1176, 17891556), (1568, 13418667), (1764, 11927704), (2016, 10436741), (2352, 8945778), (3528, 5963852), (4704, 4472889), (7056, 2981926), (14112, 1490963)]