21797850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{5011}}^1$

素因数の和:5055

約数の個数: 48

約数和(自身を含む): 55933920

約数和(自身を除く): 34136070

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 5011, 10022, 15033, 25055, 30066, 50110, 75165, 125275, 145319, 150330, 250550, 290638, 375825, 435957, 726595, 751650, 871914, 1453190, 2179785, 3632975, 4359570, 7265950, 10898925, 21797850]

約数ペア:

[(1, 21797850), (2, 10898925), (3, 7265950), (5, 4359570), (6, 3632975), (10, 2179785), (15, 1453190), (25, 871914), (29, 751650), (30, 726595), (50, 435957), (58, 375825), (75, 290638), (87, 250550), (145, 150330), (150, 145319), (174, 125275), (290, 75165), (435, 50110), (725, 30066), (870, 25055), (1450, 15033), (2175, 10022), (4350, 5011)]