21747216

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:976

約数の個数: 80

約数和(自身を含む): 61603200

約数和(自身を除く): 39855984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 34, 48, 51, 58, 68, 87, 102, 116, 136, 174, 204, 232, 272, 348, 408, 464, 493, 696, 816, 919, 986, 1392, 1479, 1838, 1972, 2757, 2958, 3676, 3944, 5514, 5916, 7352, 7888, 11028, 11832, 14704, 15623, 22056, 23664, 26651, 31246, 44112, 46869, 53302, 62492, 79953, 93738, 106604, 124984, 159906, 187476, 213208, 249968, 319812, 374952, 426416, 453067, 639624, 749904, 906134, 1279248, 1359201, 1812268, 2718402, 3624536, 5436804, 7249072, 10873608, 21747216]

約数ペア:

[(1, 21747216), (2, 10873608), (3, 7249072), (4, 5436804), (6, 3624536), (8, 2718402), (12, 1812268), (16, 1359201), (17, 1279248), (24, 906134), (29, 749904), (34, 639624), (48, 453067), (51, 426416), (58, 374952), (68, 319812), (87, 249968), (102, 213208), (116, 187476), (136, 159906), (174, 124984), (204, 106604), (232, 93738), (272, 79953), (348, 62492), (408, 53302), (464, 46869), (493, 44112), (696, 31246), (816, 26651), (919, 23664), (986, 22056), (1392, 15623), (1479, 14704), (1838, 11832), (1972, 11028), (2757, 7888), (2958, 7352), (3676, 5916), (3944, 5514)]