21294022

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 13633178

約数列:

[1, 2, 19, 38, 53, 97, 106, 109, 194, 218, 1007, 1843, 2014, 2071, 3686, 4142, 5141, 5777, 10282, 10573, 11554, 21146, 97679, 109763, 195358, 200887, 219526, 401774, 560369, 1120738, 10647011, 21294022]

約数ペア:

[(1, 21294022), (2, 10647011), (19, 1120738), (38, 560369), (53, 401774), (97, 219526), (106, 200887), (109, 195358), (194, 109763), (218, 97679), (1007, 21146), (1843, 11554), (2014, 10573), (2071, 10282), (3686, 5777), (4142, 5141)]