21000704

素因数分解:

$2^9\times {\mathrm{41017}}^1$

素因数の和:41035

約数の個数: 20

約数和(自身を含む): 41961414

約数和(自身を除く): 20960710

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41017, 82034, 164068, 328136, 656272, 1312544, 2625088, 5250176, 10500352, 21000704]

約数ペア:

[(1, 21000704), (2, 10500352), (4, 5250176), (8, 2625088), (16, 1312544), (32, 656272), (64, 328136), (128, 164068), (256, 82034), (512, 41017)]