21587426

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53171}}^1$

素因数の和:53209

約数の個数: 16

約数和(自身を含む): 38283840

約数和(自身を除く): 16696414

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53171, 106342, 372197, 744394, 1541959, 3083918, 10793713, 21587426]

約数ペア:

[(1, 21587426), (2, 10793713), (7, 3083918), (14, 1541959), (29, 744394), (58, 372197), (203, 106342), (406, 53171)]