21073020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351217}}^1$

素因数の和:351229

約数の個数: 24

約数和(自身を含む): 59004624

約数和(自身を除く): 37931604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351217, 702434, 1053651, 1404868, 1756085, 2107302, 3512170, 4214604, 5268255, 7024340, 10536510, 21073020]

約数ペア:

[(1, 21073020), (2, 10536510), (3, 7024340), (4, 5268255), (5, 4214604), (6, 3512170), (10, 2107302), (12, 1756085), (15, 1404868), (20, 1053651), (30, 702434), (60, 351217)]