21677800

素因数分解:

$2^3\times 5^2\times {\mathrm{283}}^1\times {\mathrm{383}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 50711040

約数和(自身を除く): 29033240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 283, 383, 566, 766, 1132, 1415, 1532, 1915, 2264, 2830, 3064, 3830, 5660, 7075, 7660, 9575, 11320, 14150, 15320, 19150, 28300, 38300, 56600, 76600, 108389, 216778, 433556, 541945, 867112, 1083890, 2167780, 2709725, 4335560, 5419450, 10838900, 21677800]

約数ペア:

[(1, 21677800), (2, 10838900), (4, 5419450), (5, 4335560), (8, 2709725), (10, 2167780), (20, 1083890), (25, 867112), (40, 541945), (50, 433556), (100, 216778), (200, 108389), (283, 76600), (383, 56600), (566, 38300), (766, 28300), (1132, 19150), (1415, 15320), (1532, 14150), (1915, 11320), (2264, 9575), (2830, 7660), (3064, 7075), (3830, 5660)]