21370291205

素因数分解:

$5^1\times {\mathrm{443}}^1\times {\mathrm{9647987}}^1$

素因数の和:9648435

約数の個数: 8

約数和(自身を含む): 25702240032

約数和(自身を除く): 4331948827

約数列:

[1, 5, 443, 2215, 9647987, 48239935, 4274058241, 21370291205]

約数ペア:

[(1, 21370291205), (5, 4274058241), (443, 48239935), (2215, 9647987)]