21125350

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3739}}^1$

素因数の和:3864

約数の個数: 24

約数和(自身を含む): 39651480

約数和(自身を除く): 18526130

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3739, 5650, 7478, 18695, 37390, 93475, 186950, 422507, 845014, 2112535, 4225070, 10562675, 21125350]

約数ペア:

[(1, 21125350), (2, 10562675), (5, 4225070), (10, 2112535), (25, 845014), (50, 422507), (113, 186950), (226, 93475), (565, 37390), (1130, 18695), (2825, 7478), (3739, 5650)]