21411556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2633}}^1$

素因数の和:2763

約数の個数: 24

約数和(自身を含む): 39826080

約数和(自身を除く): 18414524

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2633, 4066, 5266, 8132, 10532, 50027, 100054, 200108, 281731, 563462, 1126924, 5352889, 10705778, 21411556]

約数ペア:

[(1, 21411556), (2, 10705778), (4, 5352889), (19, 1126924), (38, 563462), (76, 281731), (107, 200108), (214, 100054), (428, 50027), (2033, 10532), (2633, 8132), (4066, 5266)]