21389100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{859}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 62704320

約数和(自身を除く): 41315220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 150, 166, 249, 300, 332, 415, 498, 830, 859, 996, 1245, 1660, 1718, 2075, 2490, 2577, 3436, 4150, 4295, 4980, 5154, 6225, 8300, 8590, 10308, 12450, 12885, 17180, 21475, 24900, 25770, 42950, 51540, 64425, 71297, 85900, 128850, 142594, 213891, 257700, 285188, 356485, 427782, 712970, 855564, 1069455, 1425940, 1782425, 2138910, 3564850, 4277820, 5347275, 7129700, 10694550, 21389100]

約数ペア:

[(1, 21389100), (2, 10694550), (3, 7129700), (4, 5347275), (5, 4277820), (6, 3564850), (10, 2138910), (12, 1782425), (15, 1425940), (20, 1069455), (25, 855564), (30, 712970), (50, 427782), (60, 356485), (75, 285188), (83, 257700), (100, 213891), (150, 142594), (166, 128850), (249, 85900), (300, 71297), (332, 64425), (415, 51540), (498, 42950), (830, 25770), (859, 24900), (996, 21475), (1245, 17180), (1660, 12885), (1718, 12450), (2075, 10308), (2490, 8590), (2577, 8300), (3436, 6225), (4150, 5154), (4295, 4980)]