21928379

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1297}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 25233120

約数和(自身を除く): 3304741

約数列:

[1, 11, 29, 53, 319, 583, 1297, 1537, 14267, 16907, 37613, 68741, 413743, 756151, 1993489, 21928379]

約数ペア:

[(1, 21928379), (11, 1993489), (29, 756151), (53, 413743), (319, 68741), (583, 37613), (1297, 16907), (1537, 14267)]