21375794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7417}}^1$

素因数の和:7561

約数の個数: 16

約数和(自身を含む): 35250336

約数和(自身を除く): 13874542

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7417, 14834, 81587, 163174, 971627, 1943254, 10687897, 21375794]

約数ペア:

[(1, 21375794), (2, 10687897), (11, 1943254), (22, 971627), (131, 163174), (262, 81587), (1441, 14834), (2882, 7417)]