21470602

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 32769000

約数和(自身を除く): 11298398

約数列:

[1, 2, 109, 149, 218, 298, 661, 1322, 16241, 32482, 72049, 98489, 144098, 196978, 10735301, 21470602]

約数ペア:

[(1, 21470602), (2, 10735301), (109, 196978), (149, 144098), (218, 98489), (298, 72049), (661, 32482), (1322, 16241)]