21688434

素因数分解:

$2^1\times 3^2\times {\mathrm{929}}^1\times {\mathrm{1297}}^1$

素因数の和:2234

約数の個数: 24

約数和(自身を含む): 47078460

約数和(自身を除く): 25390026

約数列:

[1, 2, 3, 6, 9, 18, 929, 1297, 1858, 2594, 2787, 3891, 5574, 7782, 8361, 11673, 16722, 23346, 1204913, 2409826, 3614739, 7229478, 10844217, 21688434]

約数ペア:

[(1, 21688434), (2, 10844217), (3, 7229478), (6, 3614739), (9, 2409826), (18, 1204913), (929, 23346), (1297, 16722), (1858, 11673), (2594, 8361), (2787, 7782), (3891, 5574)]