21856816

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{14083}}^1$

素因数の和:14188

約数の個数: 20

約数和(自身を含む): 42787192

約数和(自身を除く): 20930376

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 14083, 28166, 56332, 112664, 225328, 1366051, 2732102, 5464204, 10928408, 21856816]

約数ペア:

[(1, 21856816), (2, 10928408), (4, 5464204), (8, 2732102), (16, 1366051), (97, 225328), (194, 112664), (388, 56332), (776, 28166), (1552, 14083)]