21286416

素因数分解:

$2^4\times 3^1\times {\mathrm{443467}}^1$

素因数の和:443478

約数の個数: 20

約数和(自身を含む): 54990032

約数和(自身を除く): 33703616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443467, 886934, 1330401, 1773868, 2660802, 3547736, 5321604, 7095472, 10643208, 21286416]

約数ペア:

[(1, 21286416), (2, 10643208), (3, 7095472), (4, 5321604), (6, 3547736), (8, 2660802), (12, 1773868), (16, 1330401), (24, 886934), (48, 443467)]