21459368

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16661}}^1$

素因数の和:16697

約数の個数: 32

約数和(自身を含む): 47986560

約数和(自身を除く): 26527192

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16661, 33322, 66644, 116627, 133288, 233254, 383203, 466508, 766406, 933016, 1532812, 2682421, 3065624, 5364842, 10729684, 21459368]

約数ペア:

[(1, 21459368), (2, 10729684), (4, 5364842), (7, 3065624), (8, 2682421), (14, 1532812), (23, 933016), (28, 766406), (46, 466508), (56, 383203), (92, 233254), (161, 133288), (184, 116627), (322, 66644), (644, 33322), (1288, 16661)]