21185824

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 45934560

約数和(自身を除く): 24748736

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 139, 176, 278, 352, 433, 556, 866, 1112, 1529, 1732, 2224, 3058, 3464, 4448, 4763, 6116, 6928, 9526, 12232, 13856, 19052, 24464, 38104, 48928, 60187, 76208, 120374, 152416, 240748, 481496, 662057, 962992, 1324114, 1925984, 2648228, 5296456, 10592912, 21185824]

約数ペア:

[(1, 21185824), (2, 10592912), (4, 5296456), (8, 2648228), (11, 1925984), (16, 1324114), (22, 962992), (32, 662057), (44, 481496), (88, 240748), (139, 152416), (176, 120374), (278, 76208), (352, 60187), (433, 48928), (556, 38104), (866, 24464), (1112, 19052), (1529, 13856), (1732, 12232), (2224, 9526), (3058, 6928), (3464, 6116), (4448, 4763)]