21471780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32533}}^1$

素因数の和:32556

約数の個数: 48

約数和(自身を含む): 65588544

約数和(自身を除く): 44116764

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32533, 65066, 97599, 130132, 162665, 195198, 325330, 357863, 390396, 487995, 650660, 715726, 975990, 1073589, 1431452, 1789315, 1951980, 2147178, 3578630, 4294356, 5367945, 7157260, 10735890, 21471780]

約数ペア:

[(1, 21471780), (2, 10735890), (3, 7157260), (4, 5367945), (5, 4294356), (6, 3578630), (10, 2147178), (11, 1951980), (12, 1789315), (15, 1431452), (20, 1073589), (22, 975990), (30, 715726), (33, 650660), (44, 487995), (55, 390396), (60, 357863), (66, 325330), (110, 195198), (132, 162665), (165, 130132), (220, 97599), (330, 65066), (660, 32533)]