21089969106

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{375253}}^1$

素因数の和:375323

約数の個数: 64

約数和(自身を含む): 48632918400

約数和(自身を除く): 27542949294

約数列:

[1, 2, 3, 6, 17, 19, 29, 34, 38, 51, 57, 58, 87, 102, 114, 174, 323, 493, 551, 646, 969, 986, 1102, 1479, 1653, 1938, 2958, 3306, 9367, 18734, 28101, 56202, 375253, 750506, 1125759, 2251518, 6379301, 7129807, 10882337, 12758602, 14259614, 19137903, 21389421, 21764674, 32647011, 38275806, 42778842, 65294022, 121206719, 184999729, 206764403, 242413438, 363620157, 369999458, 413528806, 554999187, 620293209, 727240314, 1109998374, 1240586418, 3514994851, 7029989702, 10544984553, 21089969106]

約数ペア:

[(1, 21089969106), (2, 10544984553), (3, 7029989702), (6, 3514994851), (17, 1240586418), (19, 1109998374), (29, 727240314), (34, 620293209), (38, 554999187), (51, 413528806), (57, 369999458), (58, 363620157), (87, 242413438), (102, 206764403), (114, 184999729), (174, 121206719), (323, 65294022), (493, 42778842), (551, 38275806), (646, 32647011), (969, 21764674), (986, 21389421), (1102, 19137903), (1479, 14259614), (1653, 12758602), (1938, 10882337), (2958, 7129807), (3306, 6379301), (9367, 2251518), (18734, 1125759), (28101, 750506), (56202, 375253)]