21187380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353123}}^1$

素因数の和:353135

約数の個数: 24

約数和(自身を含む): 59324832

約数和(自身を除く): 38137452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353123, 706246, 1059369, 1412492, 1765615, 2118738, 3531230, 4237476, 5296845, 7062460, 10593690, 21187380]

約数ペア:

[(1, 21187380), (2, 10593690), (3, 7062460), (4, 5296845), (5, 4237476), (6, 3531230), (10, 2118738), (12, 1765615), (15, 1412492), (20, 1059369), (30, 706246), (60, 353123)]