21077338

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9749}}^1$

素因数の和:9821

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 12618662

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9749, 19498, 224227, 448454, 458203, 916406, 10538669, 21077338]

約数ペア:

[(1, 21077338), (2, 10538669), (23, 916406), (46, 458203), (47, 448454), (94, 224227), (1081, 19498), (2162, 9749)]