21382230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1303}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 51450624

約数和(自身を除く): 30068394

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 547, 1094, 1303, 1641, 2606, 2735, 3282, 3909, 5470, 6515, 7818, 8205, 13030, 16410, 19545, 39090, 712741, 1425482, 2138223, 3563705, 4276446, 7127410, 10691115, 21382230]

約数ペア:

[(1, 21382230), (2, 10691115), (3, 7127410), (5, 4276446), (6, 3563705), (10, 2138223), (15, 1425482), (30, 712741), (547, 39090), (1094, 19545), (1303, 16410), (1641, 13030), (2606, 8205), (2735, 7818), (3282, 6515), (3909, 5470)]