21197752

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56377}}^1$

素因数の和:56430

約数の個数: 16

約数和(自身を含む): 40592160

約数和(自身を除く): 19394408

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56377, 112754, 225508, 451016, 2649719, 5299438, 10598876, 21197752]

約数ペア:

[(1, 21197752), (2, 10598876), (4, 5299438), (8, 2649719), (47, 451016), (94, 225508), (188, 112754), (376, 56377)]