21021392

素因数分解:

$2^4\times 7^2\times {\mathrm{26813}}^1$

素因数の和:26835

約数の個数: 30

約数和(自身を含む): 47380338

約数和(自身を除く): 26358946

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26813, 53626, 107252, 187691, 214504, 375382, 429008, 750764, 1313837, 1501528, 2627674, 3003056, 5255348, 10510696, 21021392]

約数ペア:

[(1, 21021392), (2, 10510696), (4, 5255348), (7, 3003056), (8, 2627674), (14, 1501528), (16, 1313837), (28, 750764), (49, 429008), (56, 375382), (98, 214504), (112, 187691), (196, 107252), (392, 53626), (784, 26813)]