21419260

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{10009}}^1$

素因数の和:10125

約数の個数: 24

約数和(自身を含む): 45405360

約数和(自身を除く): 23986100

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 10009, 20018, 40036, 50045, 100090, 200180, 1070963, 2141926, 4283852, 5354815, 10709630, 21419260]

約数ペア:

[(1, 21419260), (2, 10709630), (4, 5354815), (5, 4283852), (10, 2141926), (20, 1070963), (107, 200180), (214, 100090), (428, 50045), (535, 40036), (1070, 20018), (2140, 10009)]