21806154

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{9539}}^1$

素因数の和:9674

約数の個数: 24

約数和(自身を含む): 47623680

約数和(自身を除く): 25817526

約数列:

[1, 2, 3, 6, 9, 18, 127, 254, 381, 762, 1143, 2286, 9539, 19078, 28617, 57234, 85851, 171702, 1211453, 2422906, 3634359, 7268718, 10903077, 21806154]

約数ペア:

[(1, 21806154), (2, 10903077), (3, 7268718), (6, 3634359), (9, 2422906), (18, 1211453), (127, 171702), (254, 85851), (381, 57234), (762, 28617), (1143, 19078), (2286, 9539)]