21876235

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1249}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 27360000

約数和(自身を除く): 5483765

約数列:

[1, 5, 31, 113, 155, 565, 1249, 3503, 6245, 17515, 38719, 141137, 193595, 705685, 4375247, 21876235]

約数ペア:

[(1, 21876235), (5, 4375247), (31, 705685), (113, 193595), (155, 141137), (565, 38719), (1249, 17515), (3503, 6245)]