16689918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397379}}^1$

素因数の和:397391

約数の個数: 16

約数和(自身を含む): 38148480

約数和(自身を除く): 21458562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397379, 794758, 1192137, 2384274, 2781653, 5563306, 8344959, 16689918]

約数ペア:

[(1, 16689918), (2, 8344959), (3, 5563306), (6, 2781653), (7, 2384274), (14, 1192137), (21, 794758), (42, 397379)]