21453204241

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1\times {\mathrm{38351}}^1$

素因数の和:39024

約数の個数: 16

約数和(自身を含む): 24723233280

約数和(自身を除く): 3270029039

約数列:

[1, 7, 157, 509, 1099, 3563, 38351, 79913, 268457, 559391, 6021107, 19520659, 42147749, 136644613, 3064743463, 21453204241]

約数ペア:

[(1, 21453204241), (7, 3064743463), (157, 136644613), (509, 42147749), (1099, 19520659), (3563, 6021107), (38351, 559391), (79913, 268457)]