21427500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2857}}^1$

素因数の和:2884

約数の個数: 60

約数和(自身を含む): 62498744

約数和(自身を除く): 41071244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2857, 3750, 5714, 7500, 8571, 11428, 14285, 17142, 28570, 34284, 42855, 57140, 71425, 85710, 142850, 171420, 214275, 285700, 357125, 428550, 714250, 857100, 1071375, 1428500, 1785625, 2142750, 3571250, 4285500, 5356875, 7142500, 10713750, 21427500]

約数ペア:

[(1, 21427500), (2, 10713750), (3, 7142500), (4, 5356875), (5, 4285500), (6, 3571250), (10, 2142750), (12, 1785625), (15, 1428500), (20, 1071375), (25, 857100), (30, 714250), (50, 428550), (60, 357125), (75, 285700), (100, 214275), (125, 171420), (150, 142850), (250, 85710), (300, 71425), (375, 57140), (500, 42855), (625, 34284), (750, 28570), (1250, 17142), (1500, 14285), (1875, 11428), (2500, 8571), (2857, 7500), (3750, 5714)]