21406594

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1746

約数の個数: 24

約数和(自身を含む): 35981820

約数和(自身を除く): 14575226

約数列:

[1, 2, 11, 22, 53, 106, 121, 242, 583, 1166, 1669, 3338, 6413, 12826, 18359, 36718, 88457, 176914, 201949, 403898, 973027, 1946054, 10703297, 21406594]

約数ペア:

[(1, 21406594), (2, 10703297), (11, 1946054), (22, 973027), (53, 403898), (106, 201949), (121, 176914), (242, 88457), (583, 36718), (1166, 18359), (1669, 12826), (3338, 6413)]