21142473

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{10859}}^1$

素因数の和:10932

約数の個数: 16

約数和(自身を含む): 31276800

約数和(自身を除く): 10134327

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 10859, 32577, 119449, 358347, 640681, 1922043, 7047491, 21142473]

約数ペア:

[(1, 21142473), (3, 7047491), (11, 1922043), (33, 640681), (59, 358347), (177, 119449), (649, 32577), (1947, 10859)]