21667156

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3011}}^1$

素因数の和:3279

約数の個数: 24

約数和(自身を含む): 43517376

約数和(自身を除く): 21850220

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3011, 3598, 6022, 7196, 12044, 21077, 42154, 84308, 773827, 1547654, 3095308, 5416789, 10833578, 21667156]

約数ペア:

[(1, 21667156), (2, 10833578), (4, 5416789), (7, 3095308), (14, 1547654), (28, 773827), (257, 84308), (514, 42154), (1028, 21077), (1799, 12044), (3011, 7196), (3598, 6022)]