21901748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16057}}^1$

素因数の和:16103

約数の個数: 24

約数和(自身を含む): 43163904

約数和(自身を除く): 21262156

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 16057, 32114, 64228, 176627, 353254, 497767, 706508, 995534, 1991068, 5475437, 10950874, 21901748]

約数ペア:

[(1, 21901748), (2, 10950874), (4, 5475437), (11, 1991068), (22, 995534), (31, 706508), (44, 497767), (62, 353254), (124, 176627), (341, 64228), (682, 32114), (1364, 16057)]