21468450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8419}}^1$

素因数の和:8451

約数の個数: 48

約数和(自身を含む): 56380320

約数和(自身を除く): 34911870

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 8419, 16838, 25257, 42095, 50514, 84190, 126285, 143123, 210475, 252570, 286246, 420950, 429369, 631425, 715615, 858738, 1262850, 1431230, 2146845, 3578075, 4293690, 7156150, 10734225, 21468450]

約数ペア:

[(1, 21468450), (2, 10734225), (3, 7156150), (5, 4293690), (6, 3578075), (10, 2146845), (15, 1431230), (17, 1262850), (25, 858738), (30, 715615), (34, 631425), (50, 429369), (51, 420950), (75, 286246), (85, 252570), (102, 210475), (150, 143123), (170, 126285), (255, 84190), (425, 50514), (510, 42095), (850, 25257), (1275, 16838), (2550, 8419)]