21648484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37847}}^1$

素因数の和:37875

約数の個数: 24

約数和(自身を含む): 44509248

約数和(自身を除く): 22860764

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37847, 75694, 151388, 416317, 492011, 832634, 984022, 1665268, 1968044, 5412121, 10824242, 21648484]

約数ペア:

[(1, 21648484), (2, 10824242), (4, 5412121), (11, 1968044), (13, 1665268), (22, 984022), (26, 832634), (44, 492011), (52, 416317), (143, 151388), (286, 75694), (572, 37847)]