21784112

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2903}}^1$

素因数の和:2985

約数の個数: 40

約数和(自身を含む): 48973056

約数和(自身を除く): 27188944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2903, 3752, 5806, 7504, 11612, 20321, 23224, 40642, 46448, 81284, 162568, 194501, 325136, 389002, 778004, 1361507, 1556008, 2723014, 3112016, 5446028, 10892056, 21784112]

約数ペア:

[(1, 21784112), (2, 10892056), (4, 5446028), (7, 3112016), (8, 2723014), (14, 1556008), (16, 1361507), (28, 778004), (56, 389002), (67, 325136), (112, 194501), (134, 162568), (268, 81284), (469, 46448), (536, 40642), (938, 23224), (1072, 20321), (1876, 11612), (2903, 7504), (3752, 5806)]