21454216

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16657}}^1$

素因数の和:16693

約数の個数: 32

約数和(自身を含む): 47975040

約数和(自身を除く): 26520824

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16657, 33314, 66628, 116599, 133256, 233198, 383111, 466396, 766222, 932792, 1532444, 2681777, 3064888, 5363554, 10727108, 21454216]

約数ペア:

[(1, 21454216), (2, 10727108), (4, 5363554), (7, 3064888), (8, 2681777), (14, 1532444), (23, 932792), (28, 766222), (46, 466396), (56, 383111), (92, 233198), (161, 133256), (184, 116599), (322, 66628), (644, 33314), (1288, 16657)]