21668702

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51839}}^1$

素因数の和:51871

約数の個数: 16

約数和(自身を含む): 37324800

約数和(自身を除く): 15656098

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51839, 103678, 570229, 984941, 1140458, 1969882, 10834351, 21668702]

約数ペア:

[(1, 21668702), (2, 10834351), (11, 1969882), (19, 1140458), (22, 984941), (38, 570229), (209, 103678), (418, 51839)]