21105624

素因数分解:

$2^3\times 3^1\times {\mathrm{879401}}^1$

素因数の和:879410

約数の個数: 16

約数和(自身を含む): 52764120

約数和(自身を除く): 31658496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 879401, 1758802, 2638203, 3517604, 5276406, 7035208, 10552812, 21105624]

約数ペア:

[(1, 21105624), (2, 10552812), (3, 7035208), (4, 5276406), (6, 3517604), (8, 2638203), (12, 1758802), (24, 879401)]