21530026

素因数分解:

$2^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{2081}}^1$

素因数の和:2829

約数の個数: 16

約数和(自身を含む): 36976320

約数和(自身を除く): 15446294

約数列:

[1, 2, 7, 14, 739, 1478, 2081, 4162, 5173, 10346, 14567, 29134, 1537859, 3075718, 10765013, 21530026]

約数ペア:

[(1, 21530026), (2, 10765013), (7, 3075718), (14, 1537859), (739, 29134), (1478, 14567), (2081, 10346), (4162, 5173)]