21000421453

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1030291}}^1$

素因数の和:1030428

約数の個数: 16

約数和(自身を含む): 24479737920

約数和(自身を除く): 3479316467

約数列:

[1, 11, 17, 109, 187, 1199, 1853, 20383, 1030291, 11333201, 17514947, 112301719, 192664417, 1235318909, 1909129223, 21000421453]

約数ペア:

[(1, 21000421453), (11, 1909129223), (17, 1235318909), (109, 192664417), (187, 112301719), (1199, 17514947), (1853, 11333201), (20383, 1030291)]