21421414

素因数分解:

$2^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{8011}}^1$

素因数の和:8211

約数の個数: 16

約数和(自身を含む): 36919296

約数和(自身を除く): 15497882

約数列:

[1, 2, 7, 14, 191, 382, 1337, 2674, 8011, 16022, 56077, 112154, 1530101, 3060202, 10710707, 21421414]

約数ペア:

[(1, 21421414), (2, 10710707), (7, 3060202), (14, 1530101), (191, 112154), (382, 56077), (1337, 16022), (2674, 8011)]