21070352

素因数分解:

$2^4\times {\mathrm{631}}^1\times {\mathrm{2087}}^1$

素因数の和:2726

約数の個数: 20

約数和(自身を含む): 40908096

約数和(自身を除く): 19837744

約数列:

[1, 2, 4, 8, 16, 631, 1262, 2087, 2524, 4174, 5048, 8348, 10096, 16696, 33392, 1316897, 2633794, 5267588, 10535176, 21070352]

約数ペア:

[(1, 21070352), (2, 10535176), (4, 5267588), (8, 2633794), (16, 1316897), (631, 33392), (1262, 16696), (2087, 10096), (2524, 8348), (4174, 5048)]