21082270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191657}}^1$

素因数の和:191675

約数の個数: 16

約数和(自身を含む): 41398128

約数和(自身を除く): 20315858

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191657, 383314, 958285, 1916570, 2108227, 4216454, 10541135, 21082270]

約数ペア:

[(1, 21082270), (2, 10541135), (5, 4216454), (10, 2108227), (11, 1916570), (22, 958285), (55, 383314), (110, 191657)]