21741986

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3637}}^1$

素因数の和:3714

約数の個数: 24

約数和(自身を含む): 38570076

約数和(自身を除く): 16828090

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3637, 5978, 7274, 25459, 50918, 178213, 221857, 356426, 443714, 1552999, 3105998, 10870993, 21741986]

約数ペア:

[(1, 21741986), (2, 10870993), (7, 3105998), (14, 1552999), (49, 443714), (61, 356426), (98, 221857), (122, 178213), (427, 50918), (854, 25459), (2989, 7274), (3637, 5978)]