21605472

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{1531}}^1$

素因数の和:1561

約数の個数: 108

約数和(自身を含む): 71518356

約数和(自身を除く): 49912884

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, 1531, 1568, 1764, 2016, 2352, 3062, 3528, 4593, 4704, 6124, 7056, 9186, 10717, 12248, 13779, 14112, 18372, 21434, 24496, 27558, 32151, 36744, 42868, 48992, 55116, 64302, 73488, 75019, 85736, 96453, 110232, 128604, 146976, 150038, 171472, 192906, 220464, 225057, 257208, 300076, 342944, 385812, 440928, 450114, 514416, 600152, 675171, 771624, 900228, 1028832, 1200304, 1350342, 1543248, 1800456, 2400608, 2700684, 3086496, 3600912, 5401368, 7201824, 10802736, 21605472]

約数ペア:

[(1, 21605472), (2, 10802736), (3, 7201824), (4, 5401368), (6, 3600912), (7, 3086496), (8, 2700684), (9, 2400608), (12, 1800456), (14, 1543248), (16, 1350342), (18, 1200304), (21, 1028832), (24, 900228), (28, 771624), (32, 675171), (36, 600152), (42, 514416), (48, 450114), (49, 440928), (56, 385812), (63, 342944), (72, 300076), (84, 257208), (96, 225057), (98, 220464), (112, 192906), (126, 171472), (144, 150038), (147, 146976), (168, 128604), (196, 110232), (224, 96453), (252, 85736), (288, 75019), (294, 73488), (336, 64302), (392, 55116), (441, 48992), (504, 42868), (588, 36744), (672, 32151), (784, 27558), (882, 24496), (1008, 21434), (1176, 18372), (1531, 14112), (1568, 13779), (1764, 12248), (2016, 10717), (2352, 9186), (3062, 7056), (3528, 6124), (4593, 4704)]