21406602

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509681}}^1$

素因数の和:509693

約数の個数: 16

約数和(自身を含む): 48929472

約数和(自身を除く): 27522870

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509681, 1019362, 1529043, 3058086, 3567767, 7135534, 10703301, 21406602]

約数ペア:

[(1, 21406602), (2, 10703301), (3, 7135534), (6, 3567767), (7, 3058086), (14, 1529043), (21, 1019362), (42, 509681)]