21484952

素因数分解:

$2^3\times {\mathrm{139}}^3$

素因数の和:423

約数の個数: 16

約数和(自身を含む): 40576200

約数和(自身を除く): 19091248

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 19321, 38642, 77284, 154568, 2685619, 5371238, 10742476, 21484952]

約数ペア:

[(1, 21484952), (2, 10742476), (4, 5371238), (8, 2685619), (139, 154568), (278, 77284), (556, 38642), (1112, 19321)]