21090174

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1787}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 48404736

約数和(自身を除く): 27314562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 281, 562, 843, 1686, 1787, 1967, 3574, 3934, 5361, 5901, 10722, 11802, 12509, 25018, 37527, 75054, 502147, 1004294, 1506441, 3012882, 3515029, 7030058, 10545087, 21090174]

約数ペア:

[(1, 21090174), (2, 10545087), (3, 7030058), (6, 3515029), (7, 3012882), (14, 1506441), (21, 1004294), (42, 502147), (281, 75054), (562, 37527), (843, 25018), (1686, 12509), (1787, 11802), (1967, 10722), (3574, 5901), (3934, 5361)]