21149548

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4523}}^1$

素因数の和:4701

約数の個数: 24

約数和(自身を含む): 42561792

約数和(自身を除く): 21412244

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4523, 4676, 9046, 18092, 31661, 63322, 126644, 755341, 1510682, 3021364, 5287387, 10574774, 21149548]

約数ペア:

[(1, 21149548), (2, 10574774), (4, 5287387), (7, 3021364), (14, 1510682), (28, 755341), (167, 126644), (334, 63322), (668, 31661), (1169, 18092), (2338, 9046), (4523, 4676)]