21415000

素因数分解:

$2^3\times 5^4\times {\mathrm{4283}}^1$

素因数の和:4309

約数の個数: 40

約数和(自身を含む): 50187060

約数和(自身を除く): 28772060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4283, 5000, 8566, 17132, 21415, 34264, 42830, 85660, 107075, 171320, 214150, 428300, 535375, 856600, 1070750, 2141500, 2676875, 4283000, 5353750, 10707500, 21415000]

約数ペア:

[(1, 21415000), (2, 10707500), (4, 5353750), (5, 4283000), (8, 2676875), (10, 2141500), (20, 1070750), (25, 856600), (40, 535375), (50, 428300), (100, 214150), (125, 171320), (200, 107075), (250, 85660), (500, 42830), (625, 34264), (1000, 21415), (1250, 17132), (2500, 8566), (4283, 5000)]