21132660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{619}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 59371200

約数和(自身を除く): 38238540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 569, 619, 1138, 1238, 1707, 1857, 2276, 2476, 2845, 3095, 3414, 3714, 5690, 6190, 6828, 7428, 8535, 9285, 11380, 12380, 17070, 18570, 34140, 37140, 352211, 704422, 1056633, 1408844, 1761055, 2113266, 3522110, 4226532, 5283165, 7044220, 10566330, 21132660]

約数ペア:

[(1, 21132660), (2, 10566330), (3, 7044220), (4, 5283165), (5, 4226532), (6, 3522110), (10, 2113266), (12, 1761055), (15, 1408844), (20, 1056633), (30, 704422), (60, 352211), (569, 37140), (619, 34140), (1138, 18570), (1238, 17070), (1707, 12380), (1857, 11380), (2276, 9285), (2476, 8535), (2845, 7428), (3095, 6828), (3414, 6190), (3714, 5690)]