21565299

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2083}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 36011520

約数和(自身を除く): 14446221

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 2083, 3451, 6249, 10353, 14581, 35411, 43743, 60407, 106233, 181221, 247877, 422849, 743631, 1026919, 1268547, 3080757, 7188433, 21565299]

約数ペア:

[(1, 21565299), (3, 7188433), (7, 3080757), (17, 1268547), (21, 1026919), (29, 743631), (51, 422849), (87, 247877), (119, 181221), (203, 106233), (357, 60407), (493, 43743), (609, 35411), (1479, 14581), (2083, 10353), (3451, 6249)]