21000478596

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10736441}}^1$

素因数の和:10736611

約数の個数: 24

約数和(自身を含む): 49301741664

約数和(自身を除く): 28301263068

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 10736441, 21472882, 32209323, 42945764, 64418646, 128837292, 1750039883, 3500079766, 5250119649, 7000159532, 10500239298, 21000478596]

約数ペア:

[(1, 21000478596), (2, 10500239298), (3, 7000159532), (4, 5250119649), (6, 3500079766), (12, 1750039883), (163, 128837292), (326, 64418646), (489, 42945764), (652, 32209323), (978, 21472882), (1956, 10736441)]