21696086

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:823

約数の個数: 16

約数和(自身を含む): 33134400

約数和(自身を除く): 11438314

約数列:

[1, 2, 79, 158, 353, 389, 706, 778, 27887, 30731, 55774, 61462, 137317, 274634, 10848043, 21696086]

約数ペア:

[(1, 21696086), (2, 10848043), (79, 274634), (158, 137317), (353, 61462), (389, 55774), (706, 30731), (778, 27887)]