21780064

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{6361}}^1$

素因数の和:6478

約数の個数: 24

約数和(自身を含む): 43287048

約数和(自身を除く): 21506984

約数列:

[1, 2, 4, 8, 16, 32, 107, 214, 428, 856, 1712, 3424, 6361, 12722, 25444, 50888, 101776, 203552, 680627, 1361254, 2722508, 5445016, 10890032, 21780064]

約数ペア:

[(1, 21780064), (2, 10890032), (4, 5445016), (8, 2722508), (16, 1361254), (32, 680627), (107, 203552), (214, 101776), (428, 50888), (856, 25444), (1712, 12722), (3424, 6361)]