21195906

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10937}}^1$

素因数の和:10978

約数の個数: 32

約数和(自身を含む): 47252160

約数和(自身を除く): 26056254

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938, 10937, 21874, 32811, 65622, 185929, 207803, 371858, 415606, 557787, 623409, 1115574, 1246818, 3532651, 7065302, 10597953, 21195906]

約数ペア:

[(1, 21195906), (2, 10597953), (3, 7065302), (6, 3532651), (17, 1246818), (19, 1115574), (34, 623409), (38, 557787), (51, 415606), (57, 371858), (102, 207803), (114, 185929), (323, 65622), (646, 32811), (969, 21874), (1938, 10937)]