21757382

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{9013}}^1$

素因数の和:9103

約数の個数: 16

約数和(自身を含む): 35046432

約数和(自身を除く): 13289050

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 9013, 18026, 153221, 306442, 639923, 1279846, 10878691, 21757382]

約数ペア:

[(1, 21757382), (2, 10878691), (17, 1279846), (34, 639923), (71, 306442), (142, 153221), (1207, 18026), (2414, 9013)]