21298345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1109}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 5554775

約数列:

[1, 5, 23, 115, 167, 835, 1109, 3841, 5545, 19205, 25507, 127535, 185203, 926015, 4259669, 21298345]

約数ペア:

[(1, 21298345), (5, 4259669), (23, 926015), (115, 185203), (167, 127535), (835, 25507), (1109, 19205), (3841, 5545)]