21345984

素因数分解:

$2^6\times 3^3\times {\mathrm{11}}^1\times {\mathrm{1123}}^1$

素因数の和:1155

約数の個数: 112

約数和(自身を含む): 68519040

約数和(自身を除く): 47173056

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 88, 96, 99, 108, 132, 144, 176, 192, 198, 216, 264, 288, 297, 352, 396, 432, 528, 576, 594, 704, 792, 864, 1056, 1123, 1188, 1584, 1728, 2112, 2246, 2376, 3168, 3369, 4492, 4752, 6336, 6738, 8984, 9504, 10107, 12353, 13476, 17968, 19008, 20214, 24706, 26952, 30321, 35936, 37059, 40428, 49412, 53904, 60642, 71872, 74118, 80856, 98824, 107808, 111177, 121284, 148236, 161712, 197648, 215616, 222354, 242568, 296472, 323424, 333531, 395296, 444708, 485136, 592944, 646848, 667062, 790592, 889416, 970272, 1185888, 1334124, 1778832, 1940544, 2371776, 2668248, 3557664, 5336496, 7115328, 10672992, 21345984]

約数ペア:

[(1, 21345984), (2, 10672992), (3, 7115328), (4, 5336496), (6, 3557664), (8, 2668248), (9, 2371776), (11, 1940544), (12, 1778832), (16, 1334124), (18, 1185888), (22, 970272), (24, 889416), (27, 790592), (32, 667062), (33, 646848), (36, 592944), (44, 485136), (48, 444708), (54, 395296), (64, 333531), (66, 323424), (72, 296472), (88, 242568), (96, 222354), (99, 215616), (108, 197648), (132, 161712), (144, 148236), (176, 121284), (192, 111177), (198, 107808), (216, 98824), (264, 80856), (288, 74118), (297, 71872), (352, 60642), (396, 53904), (432, 49412), (528, 40428), (576, 37059), (594, 35936), (704, 30321), (792, 26952), (864, 24706), (1056, 20214), (1123, 19008), (1188, 17968), (1584, 13476), (1728, 12353), (2112, 10107), (2246, 9504), (2376, 8984), (3168, 6738), (3369, 6336), (4492, 4752)]