21287472

素因数分解:

$2^4\times 3^1\times {\mathrm{443489}}^1$

素因数の和:443500

約数の個数: 20

約数和(自身を含む): 54992760

約数和(自身を除く): 33705288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443489, 886978, 1330467, 1773956, 2660934, 3547912, 5321868, 7095824, 10643736, 21287472]

約数ペア:

[(1, 21287472), (2, 10643736), (3, 7095824), (4, 5321868), (6, 3547912), (8, 2660934), (12, 1773956), (16, 1330467), (24, 886978), (48, 443489)]