21264053330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163569641}}^1$

素因数の和:163569661

約数の個数: 16

約数和(自身を含む): 41219549784

約数和(自身を除く): 19955496454

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163569641, 327139282, 817848205, 1635696410, 2126405333, 4252810666, 10632026665, 21264053330]

約数ペア:

[(1, 21264053330), (2, 10632026665), (5, 4252810666), (10, 2126405333), (13, 1635696410), (26, 817848205), (65, 327139282), (130, 163569641)]