21067488

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 144

約数和(自身を含む): 68520816

約数和(自身を除く): 47453328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 288, 306, 312, 331, 408, 416, 442, 468, 544, 612, 624, 662, 663, 816, 884, 936, 993, 1224, 1248, 1324, 1326, 1632, 1768, 1872, 1986, 1989, 2448, 2648, 2652, 2979, 3536, 3744, 3972, 3978, 4303, 4896, 5296, 5304, 5627, 5958, 7072, 7944, 7956, 8606, 10592, 10608, 11254, 11916, 12909, 15888, 15912, 16881, 17212, 21216, 22508, 23832, 25818, 31776, 31824, 33762, 34424, 38727, 45016, 47664, 50643, 51636, 63648, 67524, 68848, 73151, 77454, 90032, 95328, 101286, 103272, 135048, 137696, 146302, 154908, 180064, 202572, 206544, 219453, 270096, 292604, 309816, 405144, 413088, 438906, 540192, 585208, 619632, 658359, 810288, 877812, 1170416, 1239264, 1316718, 1620576, 1755624, 2340832, 2633436, 3511248, 5266872, 7022496, 10533744, 21067488]

約数ペア:

[(1, 21067488), (2, 10533744), (3, 7022496), (4, 5266872), (6, 3511248), (8, 2633436), (9, 2340832), (12, 1755624), (13, 1620576), (16, 1316718), (17, 1239264), (18, 1170416), (24, 877812), (26, 810288), (32, 658359), (34, 619632), (36, 585208), (39, 540192), (48, 438906), (51, 413088), (52, 405144), (68, 309816), (72, 292604), (78, 270096), (96, 219453), (102, 206544), (104, 202572), (117, 180064), (136, 154908), (144, 146302), (153, 137696), (156, 135048), (204, 103272), (208, 101286), (221, 95328), (234, 90032), (272, 77454), (288, 73151), (306, 68848), (312, 67524), (331, 63648), (408, 51636), (416, 50643), (442, 47664), (468, 45016), (544, 38727), (612, 34424), (624, 33762), (662, 31824), (663, 31776), (816, 25818), (884, 23832), (936, 22508), (993, 21216), (1224, 17212), (1248, 16881), (1324, 15912), (1326, 15888), (1632, 12909), (1768, 11916), (1872, 11254), (1986, 10608), (1989, 10592), (2448, 8606), (2648, 7956), (2652, 7944), (2979, 7072), (3536, 5958), (3744, 5627), (3972, 5304), (3978, 5296), (4303, 4896)]