21269756

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4919}}^1$

素因数の和:4993

約数の個数: 24

約数和(自身を含む): 39674880

約数和(自身を除く): 18405124

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4919, 9838, 19676, 113137, 226274, 231193, 452548, 462386, 924772, 5317439, 10634878, 21269756]

約数ペア:

[(1, 21269756), (2, 10634878), (4, 5317439), (23, 924772), (46, 462386), (47, 452548), (92, 231193), (94, 226274), (188, 113137), (1081, 19676), (2162, 9838), (4324, 4919)]