21167118321

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1\times {\mathrm{3319}}^1$

素因数の和:4349

約数の個数: 32

約数和(自身を含む): 29985177600

約数和(自身を除く): 8818059279

約数列:

[1, 3, 19, 57, 127, 381, 881, 2413, 2643, 3319, 7239, 9957, 16739, 50217, 63061, 111887, 189183, 335661, 421513, 1264539, 2125853, 2924039, 6377559, 8008747, 8772117, 24026241, 55556741, 166670223, 371352953, 1114058859, 7055706107, 21167118321]

約数ペア:

[(1, 21167118321), (3, 7055706107), (19, 1114058859), (57, 371352953), (127, 166670223), (381, 55556741), (881, 24026241), (2413, 8772117), (2643, 8008747), (3319, 6377559), (7239, 2924039), (9957, 2125853), (16739, 1264539), (50217, 421513), (63061, 335661), (111887, 189183)]