21692308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4523}}^1$

素因数の和:4647

約数の個数: 24

約数和(自身を含む): 41801760

約数和(自身を除く): 20109452

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4523, 4796, 9046, 18092, 49753, 99506, 199012, 493007, 986014, 1972028, 5423077, 10846154, 21692308]

約数ペア:

[(1, 21692308), (2, 10846154), (4, 5423077), (11, 1972028), (22, 986014), (44, 493007), (109, 199012), (218, 99506), (436, 49753), (1199, 18092), (2398, 9046), (4523, 4796)]