21179251

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 23146560

約数和(自身を除く): 1967309

約数列:

[1, 23, 29, 113, 281, 667, 2599, 3277, 6463, 8149, 31753, 75371, 187427, 730319, 920837, 21179251]

約数ペア:

[(1, 21179251), (23, 920837), (29, 730319), (113, 187427), (281, 75371), (667, 31753), (2599, 8149), (3277, 6463)]