21060755

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4330

約数の個数: 16

約数和(自身を含む): 26991360

約数和(自身を除く): 5930605

約数列:

[1, 5, 23, 43, 115, 215, 989, 4259, 4945, 21295, 97957, 183137, 489785, 915685, 4212151, 21060755]

約数ペア:

[(1, 21060755), (5, 4212151), (23, 915685), (43, 489785), (115, 183137), (215, 97957), (989, 21295), (4259, 4945)]