21545956

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 39203640

約数和(自身を除く): 17657684

約数列:

[1, 2, 4, 29, 58, 116, 281, 562, 661, 1124, 1322, 2644, 8149, 16298, 19169, 32596, 38338, 76676, 185741, 371482, 742964, 5386489, 10772978, 21545956]

約数ペア:

[(1, 21545956), (2, 10772978), (4, 5386489), (29, 742964), (58, 371482), (116, 185741), (281, 76676), (562, 38338), (661, 32596), (1124, 19169), (1322, 16298), (2644, 8149)]