21211794

素因数分解:

$2^1\times 3^4\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1172

約数の個数: 40

約数和(自身を含む): 47950848

約数和(自身を除く): 26739054

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 254, 381, 762, 1031, 1143, 2062, 2286, 3093, 3429, 6186, 6858, 9279, 10287, 18558, 20574, 27837, 55674, 83511, 130937, 167022, 261874, 392811, 785622, 1178433, 2356866, 3535299, 7070598, 10605897, 21211794]

約数ペア:

[(1, 21211794), (2, 10605897), (3, 7070598), (6, 3535299), (9, 2356866), (18, 1178433), (27, 785622), (54, 392811), (81, 261874), (127, 167022), (162, 130937), (254, 83511), (381, 55674), (762, 27837), (1031, 20574), (1143, 18558), (2062, 10287), (2286, 9279), (3093, 6858), (3429, 6186)]