21711400

素因数分解:

$2^3\times 5^2\times {\mathrm{108557}}^1$

素因数の和:108573

約数の個数: 24

約数和(自身を含む): 50479470

約数和(自身を除く): 28768070

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 108557, 217114, 434228, 542785, 868456, 1085570, 2171140, 2713925, 4342280, 5427850, 10855700, 21711400]

約数ペア:

[(1, 21711400), (2, 10855700), (4, 5427850), (5, 4342280), (8, 2713925), (10, 2171140), (20, 1085570), (25, 868456), (40, 542785), (50, 434228), (100, 217114), (200, 108557)]