21275269

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 2432891

約数列:

[1, 19, 31, 41, 589, 779, 881, 1271, 16739, 24149, 27311, 36121, 518909, 686299, 1119751, 21275269]

約数ペア:

[(1, 21275269), (19, 1119751), (31, 686299), (41, 518909), (589, 36121), (779, 27311), (881, 24149), (1271, 16739)]