21090314

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19069}}^1$

素因数の和:19157

約数の個数: 16

約数和(自身を含む): 36614400

約数和(自身を除く): 15524086

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19069, 38138, 133483, 266966, 1506451, 3012902, 10545157, 21090314]

約数ペア:

[(1, 21090314), (2, 10545157), (7, 3012902), (14, 1506451), (79, 266966), (158, 133483), (553, 38138), (1106, 19069)]