21788710

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5749}}^1$

素因数の和:6135

約数の個数: 16

約数和(自身を含む): 39330000

約数和(自身を除く): 17541290

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 5749, 11498, 28745, 57490, 2178871, 4357742, 10894355, 21788710]

約数ペア:

[(1, 21788710), (2, 10894355), (5, 4357742), (10, 2178871), (379, 57490), (758, 28745), (1895, 11498), (3790, 5749)]