21123663

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{3833}}^1$

素因数の和:4014

約数の個数: 16

約数和(自身を含む): 30917376

約数和(自身を除く): 9793713

約数列:

[1, 3, 11, 33, 167, 501, 1837, 3833, 5511, 11499, 42163, 126489, 640111, 1920333, 7041221, 21123663]

約数ペア:

[(1, 21123663), (3, 7041221), (11, 1920333), (33, 640111), (167, 126489), (501, 42163), (1837, 11499), (3833, 5511)]