21250272

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 61236000

約数和(自身を除く): 39985728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 32, 34, 48, 51, 58, 68, 87, 96, 102, 116, 136, 174, 204, 232, 272, 348, 408, 449, 464, 493, 544, 696, 816, 898, 928, 986, 1347, 1392, 1479, 1632, 1796, 1972, 2694, 2784, 2958, 3592, 3944, 5388, 5916, 7184, 7633, 7888, 10776, 11832, 13021, 14368, 15266, 15776, 21552, 22899, 23664, 26042, 30532, 39063, 43104, 45798, 47328, 52084, 61064, 78126, 91596, 104168, 122128, 156252, 183192, 208336, 221357, 244256, 312504, 366384, 416672, 442714, 625008, 664071, 732768, 885428, 1250016, 1328142, 1770856, 2656284, 3541712, 5312568, 7083424, 10625136, 21250272]

約数ペア:

[(1, 21250272), (2, 10625136), (3, 7083424), (4, 5312568), (6, 3541712), (8, 2656284), (12, 1770856), (16, 1328142), (17, 1250016), (24, 885428), (29, 732768), (32, 664071), (34, 625008), (48, 442714), (51, 416672), (58, 366384), (68, 312504), (87, 244256), (96, 221357), (102, 208336), (116, 183192), (136, 156252), (174, 122128), (204, 104168), (232, 91596), (272, 78126), (348, 61064), (408, 52084), (449, 47328), (464, 45798), (493, 43104), (544, 39063), (696, 30532), (816, 26042), (898, 23664), (928, 22899), (986, 21552), (1347, 15776), (1392, 15266), (1479, 14368), (1632, 13021), (1796, 11832), (1972, 10776), (2694, 7888), (2784, 7633), (2958, 7184), (3592, 5916), (3944, 5388)]