21897550

素因数分解:

$2^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{4093}}^1$

素因数の和:4212

約数の個数: 24

約数和(自身を含む): 41120136

約数和(自身を除く): 19222586

約数列:

[1, 2, 5, 10, 25, 50, 107, 214, 535, 1070, 2675, 4093, 5350, 8186, 20465, 40930, 102325, 204650, 437951, 875902, 2189755, 4379510, 10948775, 21897550]

約数ペア:

[(1, 21897550), (2, 10948775), (5, 4379510), (10, 2189755), (25, 875902), (50, 437951), (107, 204650), (214, 102325), (535, 40930), (1070, 20465), (2675, 8186), (4093, 5350)]