21300140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56053}}^1$

素因数の和:56081

約数の個数: 24

約数和(自身を含む): 47085360

約数和(自身を除く): 25785220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 56053, 112106, 224212, 280265, 560530, 1065007, 1121060, 2130014, 4260028, 5325035, 10650070, 21300140]

約数ペア:

[(1, 21300140), (2, 10650070), (4, 5325035), (5, 4260028), (10, 2130014), (19, 1121060), (20, 1065007), (38, 560530), (76, 280265), (95, 224212), (190, 112106), (380, 56053)]