21008702005

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1\times {\mathrm{169159}}^1$

素因数の和:169644

約数の個数: 16

約数和(自身を含む): 25698787200

約数和(自身を除く): 4690085195

約数列:

[1, 5, 59, 295, 421, 2105, 24839, 124195, 169159, 845795, 9980381, 49901905, 71215939, 356079695, 4201740401, 21008702005]

約数ペア:

[(1, 21008702005), (5, 4201740401), (59, 356079695), (295, 71215939), (421, 49901905), (2105, 9980381), (24839, 845795), (124195, 169159)]