42173660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21739}}^1$

素因数の和:21845

約数の個数: 24

約数和(自身を含む): 89481840

約数和(自身を除く): 47308180

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 21739, 43478, 86956, 108695, 217390, 434780, 2108683, 4217366, 8434732, 10543415, 21086830, 42173660]

約数ペア:

[(1, 42173660), (2, 21086830), (4, 10543415), (5, 8434732), (10, 4217366), (20, 2108683), (97, 434780), (194, 217390), (388, 108695), (485, 86956), (970, 43478), (1940, 21739)]