21612592

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{20161}}^1$

素因数の和:20236

約数の個数: 20

約数和(自身を含む): 42501496

約数和(自身を除く): 20888904

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 20161, 40322, 80644, 161288, 322576, 1350787, 2701574, 5403148, 10806296, 21612592]

約数ペア:

[(1, 21612592), (2, 10806296), (4, 5403148), (8, 2701574), (16, 1350787), (67, 322576), (134, 161288), (268, 80644), (536, 40322), (1072, 20161)]