21032504

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61141}}^1$

素因数の和:61190

約数の個数: 16

約数和(自身を含む): 40353720

約数和(自身を除く): 19321216

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 61141, 122282, 244564, 489128, 2629063, 5258126, 10516252, 21032504]

約数ペア:

[(1, 21032504), (2, 10516252), (4, 5258126), (8, 2629063), (43, 489128), (86, 244564), (172, 122282), (344, 61141)]