21234824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2797}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 43480920

約数和(自身を除く): 22246096

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2797, 3796, 5594, 7592, 11188, 22376, 36361, 72722, 145444, 204181, 290888, 408362, 816724, 1633448, 2654353, 5308706, 10617412, 21234824]

約数ペア:

[(1, 21234824), (2, 10617412), (4, 5308706), (8, 2654353), (13, 1633448), (26, 816724), (52, 408362), (73, 290888), (104, 204181), (146, 145444), (292, 72722), (584, 36361), (949, 22376), (1898, 11188), (2797, 7592), (3796, 5594)]