21092703

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 28588032

約数和(自身を除く): 7495329

約数列:

[1, 3, 131, 191, 281, 393, 573, 843, 25021, 36811, 53671, 75063, 110433, 161013, 7030901, 21092703]

約数ペア:

[(1, 21092703), (3, 7030901), (131, 161013), (191, 110433), (281, 75063), (393, 53671), (573, 36811), (843, 25021)]