21888548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 22818268

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 172, 253, 473, 503, 506, 946, 989, 1006, 1012, 1892, 1978, 2012, 3956, 5533, 10879, 11066, 11569, 21629, 21758, 22132, 23138, 43258, 43516, 46276, 86516, 127259, 237919, 254518, 475838, 497467, 509036, 951676, 994934, 1989868, 5472137, 10944274, 21888548]

約数ペア:

[(1, 21888548), (2, 10944274), (4, 5472137), (11, 1989868), (22, 994934), (23, 951676), (43, 509036), (44, 497467), (46, 475838), (86, 254518), (92, 237919), (172, 127259), (253, 86516), (473, 46276), (503, 43516), (506, 43258), (946, 23138), (989, 22132), (1006, 21758), (1012, 21629), (1892, 11569), (1978, 11066), (2012, 10879), (3956, 5533)]