21171172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3673}}^1$

素因数の和:3819

約数の個数: 24

約数和(自身を含む): 40737312

約数和(自身を除く): 19566140

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3673, 5764, 7346, 14692, 40403, 80806, 161612, 481163, 962326, 1924652, 5292793, 10585586, 21171172]

約数ペア:

[(1, 21171172), (2, 10585586), (4, 5292793), (11, 1924652), (22, 962326), (44, 481163), (131, 161612), (262, 80806), (524, 40403), (1441, 14692), (2882, 7346), (3673, 5764)]