21126004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{170371}}^1$

素因数の和:170406

約数の個数: 12

約数和(自身を含む): 38163328

約数和(自身を除く): 17037324

約数列:

[1, 2, 4, 31, 62, 124, 170371, 340742, 681484, 5281501, 10563002, 21126004]

約数ペア:

[(1, 21126004), (2, 10563002), (4, 5281501), (31, 681484), (62, 340742), (124, 170371)]