21454832

素因数分解:

$2^4\times 7^1\times {\mathrm{191561}}^1$

素因数の和:191576

約数の個数: 20

約数和(自身を含む): 47507376

約数和(自身を除く): 26052544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191561, 383122, 766244, 1340927, 1532488, 2681854, 3064976, 5363708, 10727416, 21454832]

約数ペア:

[(1, 21454832), (2, 10727416), (4, 5363708), (7, 3064976), (8, 2681854), (14, 1532488), (16, 1340927), (28, 766244), (56, 383122), (112, 191561)]