21067070

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28859}}^1$

素因数の和:28939

約数の個数: 16

約数和(自身を含む): 38441520

約数和(自身を除く): 17374450

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28859, 57718, 144295, 288590, 2106707, 4213414, 10533535, 21067070]

約数ペア:

[(1, 21067070), (2, 10533535), (5, 4213414), (10, 2106707), (73, 288590), (146, 144295), (365, 57718), (730, 28859)]