21337202

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1811}}^1$

素因数の和:1993

約数の個数: 16

約数和(自身を含む): 33007392

約数和(自身を除く): 11670190

約数列:

[1, 2, 43, 86, 137, 274, 1811, 3622, 5891, 11782, 77873, 155746, 248107, 496214, 10668601, 21337202]

約数ペア:

[(1, 21337202), (2, 10668601), (43, 496214), (86, 248107), (137, 155746), (274, 77873), (1811, 11782), (3622, 5891)]