21553779128

素因数分解:

$2^3\times 7^1\times {\mathrm{384888913}}^1$

素因数の和:384888926

約数の個数: 16

約数和(自身を含む): 46186669680

約数和(自身を除く): 24632890552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 384888913, 769777826, 1539555652, 2694222391, 3079111304, 5388444782, 10776889564, 21553779128]

約数ペア:

[(1, 21553779128), (2, 10776889564), (4, 5388444782), (7, 3079111304), (8, 2694222391), (14, 1539555652), (28, 769777826), (56, 384888913)]