21792057

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8171}}^1$

素因数の和:8308

約数の個数: 16

約数和(自身を含む): 33472512

約数和(自身を除く): 11680455

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 8171, 24513, 57197, 171591, 1037717, 3113151, 7264019, 21792057]

約数ペア:

[(1, 21792057), (3, 7264019), (7, 3113151), (21, 1037717), (127, 171591), (381, 57197), (889, 24513), (2667, 8171)]