21046878

素因数分解:

$2^1\times 3^4\times {\mathrm{129919}}^1$

素因数の和:129933

約数の個数: 20

約数和(自身を含む): 47160960

約数和(自身を除く): 26114082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129919, 259838, 389757, 779514, 1169271, 2338542, 3507813, 7015626, 10523439, 21046878]

約数ペア:

[(1, 21046878), (2, 10523439), (3, 7015626), (6, 3507813), (9, 2338542), (18, 1169271), (27, 779514), (54, 389757), (81, 259838), (162, 129919)]