21367972730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164369021}}^1$

素因数の和:164369041

約数の個数: 16

約数和(自身を含む): 41420993544

約数和(自身を除く): 20053020814

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 164369021, 328738042, 821845105, 1643690210, 2136797273, 4273594546, 10683986365, 21367972730]

約数ペア:

[(1, 21367972730), (2, 10683986365), (5, 4273594546), (10, 2136797273), (13, 1643690210), (26, 821845105), (65, 328738042), (130, 164369021)]