21379590118

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{547661}}^1$

素因数の和:547943

約数の個数: 16

約数和(自身を含む): 32531122800

約数和(自身を除く): 11151532682

約数列:

[1, 2, 131, 149, 262, 298, 19519, 39038, 547661, 1095322, 71743591, 81601489, 143487182, 163202978, 10689795059, 21379590118]

約数ペア:

[(1, 21379590118), (2, 10689795059), (131, 163202978), (149, 143487182), (262, 81601489), (298, 71743591), (19519, 1095322), (39038, 547661)]