21620296

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{12119}}^1$

素因数の和:12348

約数の個数: 16

約数和(自身を含む): 40723200

約数和(自身を除く): 19102904

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 12119, 24238, 48476, 96952, 2702537, 5405074, 10810148, 21620296]

約数ペア:

[(1, 21620296), (2, 10810148), (4, 5405074), (8, 2702537), (223, 96952), (446, 48476), (892, 24238), (1784, 12119)]