21539400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{35899}}^1$

素因数の和:35918

約数の個数: 48

約数和(自身を含む): 66774000

約数和(自身を除く): 45234600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 35899, 71798, 107697, 143596, 179495, 215394, 287192, 358990, 430788, 538485, 717980, 861576, 897475, 1076970, 1435960, 1794950, 2153940, 2692425, 3589900, 4307880, 5384850, 7179800, 10769700, 21539400]

約数ペア:

[(1, 21539400), (2, 10769700), (3, 7179800), (4, 5384850), (5, 4307880), (6, 3589900), (8, 2692425), (10, 2153940), (12, 1794950), (15, 1435960), (20, 1076970), (24, 897475), (25, 861576), (30, 717980), (40, 538485), (50, 430788), (60, 358990), (75, 287192), (100, 215394), (120, 179495), (150, 143596), (200, 107697), (300, 71798), (600, 35899)]