21275386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{33347}}^1$

素因数の和:33389

約数の個数: 16

約数和(自身を含む): 36015840

約数和(自身を除く): 14740454

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 33347, 66694, 366817, 733634, 967063, 1934126, 10637693, 21275386]

約数ペア:

[(1, 21275386), (2, 10637693), (11, 1934126), (22, 967063), (29, 733634), (58, 366817), (319, 66694), (638, 33347)]