21093093507

素因数分解:

$3^1\times {\mathrm{647}}^1\times {\mathrm{2447}}^1\times {\mathrm{4441}}^1$

素因数の和:7538

約数の個数: 16

約数和(自身を含む): 28185449472

約数和(自身を除く): 7092355965

約数列:

[1, 3, 647, 1941, 2447, 4441, 7341, 13323, 1583209, 2873327, 4749627, 8619981, 10867127, 32601381, 7031031169, 21093093507]

約数ペア:

[(1, 21093093507), (3, 7031031169), (647, 32601381), (1941, 10867127), (2447, 8619981), (4441, 4749627), (7341, 2873327), (13323, 1583209)]