21377674

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{997}}^1$

素因数の和:1221

約数の個数: 16

約数和(自身を含む): 32766336

約数和(自身を除く): 11388662

約数列:

[1, 2, 71, 142, 151, 302, 997, 1994, 10721, 21442, 70787, 141574, 150547, 301094, 10688837, 21377674]

約数ペア:

[(1, 21377674), (2, 10688837), (71, 301094), (142, 150547), (151, 141574), (302, 70787), (997, 21442), (1994, 10721)]