21422850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 53434080

約数和(自身を除く): 32011230

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 251, 502, 569, 753, 1138, 1255, 1506, 1707, 2510, 2845, 3414, 3765, 5690, 6275, 7530, 8535, 12550, 14225, 17070, 18825, 28450, 37650, 42675, 85350, 142819, 285638, 428457, 714095, 856914, 1428190, 2142285, 3570475, 4284570, 7140950, 10711425, 21422850]

約数ペア:

[(1, 21422850), (2, 10711425), (3, 7140950), (5, 4284570), (6, 3570475), (10, 2142285), (15, 1428190), (25, 856914), (30, 714095), (50, 428457), (75, 285638), (150, 142819), (251, 85350), (502, 42675), (569, 37650), (753, 28450), (1138, 18825), (1255, 17070), (1506, 14225), (1707, 12550), (2510, 8535), (2845, 7530), (3414, 6275), (3765, 5690)]