21517434

素因数分解:

$2^1\times 3^3\times {\mathrm{398471}}^1$

素因数の和:398482

約数の個数: 16

約数和(自身を含む): 47816640

約数和(自身を除く): 26299206

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 398471, 796942, 1195413, 2390826, 3586239, 7172478, 10758717, 21517434]

約数ペア:

[(1, 21517434), (2, 10758717), (3, 7172478), (6, 3586239), (9, 2390826), (18, 1195413), (27, 796942), (54, 398471)]