21815224

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2237}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 43506720

約数和(自身を除く): 21691496

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 1219, 2237, 2438, 4474, 4876, 8948, 9752, 17896, 51451, 102902, 118561, 205804, 237122, 411608, 474244, 948488, 2726903, 5453806, 10907612, 21815224]

約数ペア:

[(1, 21815224), (2, 10907612), (4, 5453806), (8, 2726903), (23, 948488), (46, 474244), (53, 411608), (92, 237122), (106, 205804), (184, 118561), (212, 102902), (424, 51451), (1219, 17896), (2237, 9752), (2438, 8948), (4474, 4876)]