21654282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3803}}^1$

素因数の和:3894

約数の個数: 32

約数和(自身を含む): 47291328

約数和(自身を除く): 25637046

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3803, 5694, 7606, 11409, 22818, 49439, 98878, 148317, 277619, 296634, 555238, 832857, 1665714, 3609047, 7218094, 10827141, 21654282]

約数ペア:

[(1, 21654282), (2, 10827141), (3, 7218094), (6, 3609047), (13, 1665714), (26, 832857), (39, 555238), (73, 296634), (78, 277619), (146, 148317), (219, 98878), (438, 49439), (949, 22818), (1898, 11409), (2847, 7606), (3803, 5694)]