21219414

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{27847}}^1$

素因数の和:27979

約数の個数: 16

約数和(自身を含む): 42774528

約数和(自身を除く): 21555114

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 27847, 55694, 83541, 167082, 3536569, 7073138, 10609707, 21219414]

約数ペア:

[(1, 21219414), (2, 10609707), (3, 7073138), (6, 3536569), (127, 167082), (254, 83541), (381, 55694), (762, 27847)]