21538846

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8893}}^1$

素因数の和:9075

約数の個数: 16

約数和(自身を含む): 37141344

約数和(自身を除く): 15602498

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 8893, 17786, 62251, 124502, 1538489, 3076978, 10769423, 21538846]

約数ペア:

[(1, 21538846), (2, 10769423), (7, 3076978), (14, 1538489), (173, 124502), (346, 62251), (1211, 17786), (2422, 8893)]