21186004

素因数分解:

$2^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1289}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 42477120

約数和(自身を除く): 21291116

約数列:

[1, 2, 4, 7, 14, 28, 587, 1174, 1289, 2348, 2578, 4109, 5156, 8218, 9023, 16436, 18046, 36092, 756643, 1513286, 3026572, 5296501, 10593002, 21186004]

約数ペア:

[(1, 21186004), (2, 10593002), (4, 5296501), (7, 3026572), (14, 1513286), (28, 756643), (587, 36092), (1174, 18046), (1289, 16436), (2348, 9023), (2578, 8218), (4109, 5156)]