21931966

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2011}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 40561920

約数和(自身を除く): 18629954

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 2011, 4022, 5453, 10906, 14077, 28154, 38209, 76418, 82451, 164902, 267463, 534926, 577157, 1154314, 1566569, 3133138, 10965983, 21931966]

約数ペア:

[(1, 21931966), (2, 10965983), (7, 3133138), (14, 1566569), (19, 1154314), (38, 577157), (41, 534926), (82, 267463), (133, 164902), (266, 82451), (287, 76418), (574, 38209), (779, 28154), (1558, 14077), (2011, 10906), (4022, 5453)]