21090900104

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{9382073}}^1$

素因数の和:9382360

約数の個数: 16

約数和(自身を含む): 39686173020

約数和(自身を除く): 18595272916

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 9382073, 18764146, 37528292, 75056584, 2636362513, 5272725026, 10545450052, 21090900104]

約数ペア:

[(1, 21090900104), (2, 10545450052), (4, 5272725026), (8, 2636362513), (281, 75056584), (562, 37528292), (1124, 18764146), (2248, 9382073)]