21587344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71011}}^1$

素因数の和:71038

約数の個数: 20

約数和(自身を含む): 44027440

約数和(自身を除く): 22440096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71011, 142022, 284044, 568088, 1136176, 1349209, 2698418, 5396836, 10793672, 21587344]

約数ペア:

[(1, 21587344), (2, 10793672), (4, 5396836), (8, 2698418), (16, 1349209), (19, 1136176), (38, 568088), (76, 284044), (152, 142022), (304, 71011)]