21339678

素因数分解:

$2^1\times 3^1\times {\mathrm{359}}^1\times {\mathrm{9907}}^1$

素因数の和:10271

約数の個数: 16

約数和(自身を含む): 42802560

約数和(自身を除く): 21462882

約数列:

[1, 2, 3, 6, 359, 718, 1077, 2154, 9907, 19814, 29721, 59442, 3556613, 7113226, 10669839, 21339678]

約数ペア:

[(1, 21339678), (2, 10669839), (3, 7113226), (6, 3556613), (359, 59442), (718, 29721), (1077, 19814), (2154, 9907)]