21132793

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 24629760

約数和(自身を除く): 3496967

約数列:

[1, 11, 29, 31, 319, 341, 899, 2137, 9889, 23507, 61973, 66247, 681703, 728717, 1921163, 21132793]

約数ペア:

[(1, 21132793), (11, 1921163), (29, 728717), (31, 681703), (319, 66247), (341, 61973), (899, 23507), (2137, 9889)]