21094843

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{5591}}^1$

素因数の和:5623

約数の個数: 16

約数和(自身を含む): 26841600

約数和(自身を除く): 5746757

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 5591, 39137, 61501, 273959, 430507, 1917713, 3013549, 21094843]

約数ペア:

[(1, 21094843), (7, 3013549), (11, 1917713), (49, 430507), (77, 273959), (343, 61501), (539, 39137), (3773, 5591)]