21200572

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4903}}^1$

素因数の和:4977

約数の個数: 24

約数和(自身を含む): 39545856

約数和(自身を除く): 18345284

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4903, 9806, 19612, 112769, 225538, 230441, 451076, 460882, 921764, 5300143, 10600286, 21200572]

約数ペア:

[(1, 21200572), (2, 10600286), (4, 5300143), (23, 921764), (46, 460882), (47, 451076), (92, 230441), (94, 225538), (188, 112769), (1081, 19612), (2162, 9806), (4324, 4903)]