21164632

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139241}}^1$

素因数の和:139266

約数の個数: 16

約数和(自身を含む): 41772600

約数和(自身を除く): 20607968

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 139241, 278482, 556964, 1113928, 2645579, 5291158, 10582316, 21164632]

約数ペア:

[(1, 21164632), (2, 10582316), (4, 5291158), (8, 2645579), (19, 1113928), (38, 556964), (76, 278482), (152, 139241)]