21466576

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3449}}^1$

素因数の和:3846

約数の個数: 20

約数和(自身を含む): 41710500

約数和(自身を除く): 20243924

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3449, 6224, 6898, 13796, 27592, 55184, 1341661, 2683322, 5366644, 10733288, 21466576]

約数ペア:

[(1, 21466576), (2, 10733288), (4, 5366644), (8, 2683322), (16, 1341661), (389, 55184), (778, 27592), (1556, 13796), (3112, 6898), (3449, 6224)]