21609944

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{4201}}^1$

素因数の和:4850

約数の個数: 16

約数和(自身を含む): 40591320

約数和(自身を除く): 18981376

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 4201, 5144, 8402, 16804, 33608, 2701243, 5402486, 10804972, 21609944]

約数ペア:

[(1, 21609944), (2, 10804972), (4, 5402486), (8, 2701243), (643, 33608), (1286, 16804), (2572, 8402), (4201, 5144)]