21094952

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37139}}^1$

素因数の和:37216

約数の個数: 16

約数和(自身を含む): 40111200

約数和(自身を除く): 19016248

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37139, 74278, 148556, 297112, 2636869, 5273738, 10547476, 21094952]

約数ペア:

[(1, 21094952), (2, 10547476), (4, 5273738), (8, 2636869), (71, 297112), (142, 148556), (284, 74278), (568, 37139)]