21094526

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1219

約数の個数: 16

約数和(自身を含む): 32335200

約数和(自身を除く): 11240674

約数列:

[1, 2, 71, 142, 149, 298, 997, 1994, 10579, 21158, 70787, 141574, 148553, 297106, 10547263, 21094526]

約数ペア:

[(1, 21094526), (2, 10547263), (71, 297106), (142, 148553), (149, 141574), (298, 70787), (997, 21158), (1994, 10579)]