21388333016

素因数分解:

$2^3\times {\mathrm{881}}^1\times {\mathrm{3034667}}^1$

素因数の和:3035554

約数の個数: 16

約数和(自身を含む): 40148657640

約数和(自身を除く): 18760324624

約数列:

[1, 2, 4, 8, 881, 1762, 3524, 7048, 3034667, 6069334, 12138668, 24277336, 2673541627, 5347083254, 10694166508, 21388333016]

約数ペア:

[(1, 21388333016), (2, 10694166508), (4, 5347083254), (8, 2673541627), (881, 24277336), (1762, 12138668), (3524, 6069334), (7048, 3034667)]