21861940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37693}}^1$

素因数の和:37731

約数の個数: 24

約数和(自身を含む): 47494440

約数和(自身を除く): 25632500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37693, 75386, 150772, 188465, 376930, 753860, 1093097, 2186194, 4372388, 5465485, 10930970, 21861940]

約数ペア:

[(1, 21861940), (2, 10930970), (4, 5465485), (5, 4372388), (10, 2186194), (20, 1093097), (29, 753860), (58, 376930), (116, 188465), (145, 150772), (290, 75386), (580, 37693)]