21572842

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1831}}^1$

素因数の和:2013

約数の個数: 16

約数和(自身を含む): 33371712

約数和(自身を除く): 11798870

約数列:

[1, 2, 43, 86, 137, 274, 1831, 3662, 5891, 11782, 78733, 157466, 250847, 501694, 10786421, 21572842]

約数ペア:

[(1, 21572842), (2, 10786421), (43, 501694), (86, 250847), (137, 157466), (274, 78733), (1831, 11782), (3662, 5891)]