21573363

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8089}}^1$

素因数の和:8226

約数の個数: 16

約数和(自身を含む): 33136640

約数和(自身を除く): 11563277

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 8089, 24267, 56623, 169869, 1027303, 3081909, 7191121, 21573363]

約数ペア:

[(1, 21573363), (3, 7191121), (7, 3081909), (21, 1027303), (127, 169869), (381, 56623), (889, 24267), (2667, 8089)]