21591894

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3329}}^1$

素因数の和:3404

約数の個数: 32

約数和(自身を含む): 46033920

約数和(自身を除く): 24442026

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 3243, 3329, 6486, 6658, 9987, 19974, 76567, 153134, 156463, 229701, 312926, 459402, 469389, 938778, 3598649, 7197298, 10795947, 21591894]

約数ペア:

[(1, 21591894), (2, 10795947), (3, 7197298), (6, 3598649), (23, 938778), (46, 469389), (47, 459402), (69, 312926), (94, 229701), (138, 156463), (141, 153134), (282, 76567), (1081, 19974), (2162, 9987), (3243, 6658), (3329, 6486)]