21044337587

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1129}}^1\times {\mathrm{12049}}^1$

素因数の和:13215

約数の個数: 32

約数和(自身を含む): 27450864000

約数和(自身を除く): 6406526413

約数列:

[1, 7, 13, 17, 91, 119, 221, 1129, 1547, 7903, 12049, 14677, 19193, 84343, 102739, 134351, 156637, 204833, 249509, 1096459, 1433831, 1746563, 2662829, 13603321, 18639803, 95223247, 176843173, 231256457, 1237902211, 1618795199, 3006333941, 21044337587]

約数ペア:

[(1, 21044337587), (7, 3006333941), (13, 1618795199), (17, 1237902211), (91, 231256457), (119, 176843173), (221, 95223247), (1129, 18639803), (1547, 13603321), (7903, 2662829), (12049, 1746563), (14677, 1433831), (19193, 1096459), (84343, 249509), (102739, 204833), (134351, 156637)]