21947523

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 32175792

約数和(自身を除く): 10228269

約数列:

[1, 3, 13, 39, 73, 169, 219, 507, 593, 949, 1779, 2847, 7709, 12337, 23127, 37011, 43289, 100217, 129867, 300651, 562757, 1688271, 7315841, 21947523]

約数ペア:

[(1, 21947523), (3, 7315841), (13, 1688271), (39, 562757), (73, 300651), (169, 129867), (219, 100217), (507, 43289), (593, 37011), (949, 23127), (1779, 12337), (2847, 7709)]