21587522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1489}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 35402400

約数和(自身を除く): 13814878

約数列:

[1, 2, 11, 22, 659, 1318, 1489, 2978, 7249, 14498, 16379, 32758, 981251, 1962502, 10793761, 21587522]

約数ペア:

[(1, 21587522), (2, 10793761), (11, 1962502), (22, 981251), (659, 32758), (1318, 16379), (1489, 14498), (2978, 7249)]