21002550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{859}}^1$

素因数の和:1037

約数の個数: 48

約数和(自身を含む): 52466880

約数和(自身を除く): 31464330

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 163, 326, 489, 815, 859, 978, 1630, 1718, 2445, 2577, 4075, 4295, 4890, 5154, 8150, 8590, 12225, 12885, 21475, 24450, 25770, 42950, 64425, 128850, 140017, 280034, 420051, 700085, 840102, 1400170, 2100255, 3500425, 4200510, 7000850, 10501275, 21002550]

約数ペア:

[(1, 21002550), (2, 10501275), (3, 7000850), (5, 4200510), (6, 3500425), (10, 2100255), (15, 1400170), (25, 840102), (30, 700085), (50, 420051), (75, 280034), (150, 140017), (163, 128850), (326, 64425), (489, 42950), (815, 25770), (859, 24450), (978, 21475), (1630, 12885), (1718, 12225), (2445, 8590), (2577, 8150), (4075, 5154), (4295, 4890)]