21936321

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5153}}^1$

素因数の和:5213

約数の個数: 24

約数和(自身を含む): 35377056

約数和(自身を除く): 13440735

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 5153, 15459, 46377, 56683, 170049, 221579, 510147, 664737, 1994211, 2437369, 7312107, 21936321]

約数ペア:

[(1, 21936321), (3, 7312107), (9, 2437369), (11, 1994211), (33, 664737), (43, 510147), (99, 221579), (129, 170049), (387, 56683), (473, 46377), (1419, 15459), (4257, 5153)]