21324128

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4139}}^1$

素因数の和:4179

約数の個数: 48

約数和(自身を含む): 50077440

約数和(自身を除く): 28753312

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4139, 5152, 8278, 16556, 28973, 33112, 57946, 66224, 95197, 115892, 132448, 190394, 231784, 380788, 463568, 666379, 761576, 927136, 1332758, 1523152, 2665516, 3046304, 5331032, 10662064, 21324128]

約数ペア:

[(1, 21324128), (2, 10662064), (4, 5331032), (7, 3046304), (8, 2665516), (14, 1523152), (16, 1332758), (23, 927136), (28, 761576), (32, 666379), (46, 463568), (56, 380788), (92, 231784), (112, 190394), (161, 132448), (184, 115892), (224, 95197), (322, 66224), (368, 57946), (644, 33112), (736, 28973), (1288, 16556), (2576, 8278), (4139, 5152)]