21167368929

素因数分解:

$3^3\times 7^2\times {\mathrm{2083}}^1\times {\mathrm{7681}}^1$

素因数の和:9787

約数の個数: 48

約数和(自身を含む): 36501176640

約数和(自身を除く): 15333807711

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2083, 6249, 7681, 14581, 18747, 23043, 43743, 53767, 56241, 69129, 102067, 131229, 161301, 207387, 306201, 376369, 393687, 483903, 918603, 1129107, 1451709, 2755809, 3387321, 10161963, 15999523, 47998569, 111996661, 143995707, 335989983, 431987121, 783976627, 1007969949, 2351929881, 3023909847, 7055789643, 21167368929]

約数ペア:

[(1, 21167368929), (3, 7055789643), (7, 3023909847), (9, 2351929881), (21, 1007969949), (27, 783976627), (49, 431987121), (63, 335989983), (147, 143995707), (189, 111996661), (441, 47998569), (1323, 15999523), (2083, 10161963), (6249, 3387321), (7681, 2755809), (14581, 1451709), (18747, 1129107), (23043, 918603), (43743, 483903), (53767, 393687), (56241, 376369), (69129, 306201), (102067, 207387), (131229, 161301)]