21239250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{28319}}^1$

素因数の和:28339

約数の個数: 32

約数和(自身を含む): 53015040

約数和(自身を除く): 31775790

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750, 28319, 56638, 84957, 141595, 169914, 283190, 424785, 707975, 849570, 1415950, 2123925, 3539875, 4247850, 7079750, 10619625, 21239250]

約数ペア:

[(1, 21239250), (2, 10619625), (3, 7079750), (5, 4247850), (6, 3539875), (10, 2123925), (15, 1415950), (25, 849570), (30, 707975), (50, 424785), (75, 283190), (125, 169914), (150, 141595), (250, 84957), (375, 56638), (750, 28319)]