21902410

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5779}}^1$

素因数の和:6165

約数の個数: 16

約数和(自身を含む): 39535200

約数和(自身を除く): 17632790

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 5779, 11558, 28895, 57790, 2190241, 4380482, 10951205, 21902410]

約数ペア:

[(1, 21902410), (2, 10951205), (5, 4380482), (10, 2190241), (379, 57790), (758, 28895), (1895, 11558), (3790, 5779)]