21194992

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14557}}^1$

素因数の和:14585

約数の個数: 40

約数和(自身を含む): 50545376

約数和(自身を除く): 29350384

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14557, 29114, 58228, 101899, 116456, 189241, 203798, 232912, 378482, 407596, 756964, 815192, 1324687, 1513928, 1630384, 2649374, 3027856, 5298748, 10597496, 21194992]

約数ペア:

[(1, 21194992), (2, 10597496), (4, 5298748), (7, 3027856), (8, 2649374), (13, 1630384), (14, 1513928), (16, 1324687), (26, 815192), (28, 756964), (52, 407596), (56, 378482), (91, 232912), (104, 203798), (112, 189241), (182, 116456), (208, 101899), (364, 58228), (728, 29114), (1456, 14557)]