21877255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 27532224

約数和(自身を除く): 5654969

約数列:

[1, 5, 23, 115, 281, 677, 1405, 3385, 6463, 15571, 32315, 77855, 190237, 951185, 4375451, 21877255]

約数ペア:

[(1, 21877255), (5, 4375451), (23, 951185), (115, 190237), (281, 77855), (677, 32315), (1405, 15571), (3385, 6463)]