21199250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4463}}^1$

素因数の和:4499

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 20583790

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4463, 4750, 8926, 22315, 44630, 84797, 111575, 169594, 223150, 423985, 557875, 847970, 1115750, 2119925, 4239850, 10599625, 21199250]

約数ペア:

[(1, 21199250), (2, 10599625), (5, 4239850), (10, 2119925), (19, 1115750), (25, 847970), (38, 557875), (50, 423985), (95, 223150), (125, 169594), (190, 111575), (250, 84797), (475, 44630), (950, 22315), (2375, 8926), (4463, 4750)]