21639296

素因数分解:

$2^7\times 7^1\times {\mathrm{24151}}^1$

素因数の和:24172

約数の個数: 32

約数和(自身を含む): 49270080

約数和(自身を除く): 27630784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 24151, 48302, 96604, 169057, 193208, 338114, 386416, 676228, 772832, 1352456, 1545664, 2704912, 3091328, 5409824, 10819648, 21639296]

約数ペア:

[(1, 21639296), (2, 10819648), (4, 5409824), (7, 3091328), (8, 2704912), (14, 1545664), (16, 1352456), (28, 772832), (32, 676228), (56, 386416), (64, 338114), (112, 193208), (128, 169057), (224, 96604), (448, 48302), (896, 24151)]