21123246

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{153067}}^1$

素因数の和:153095

約数の個数: 16

約数和(自身を含む): 44083584

約数和(自身を除く): 22960338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 153067, 306134, 459201, 918402, 3520541, 7041082, 10561623, 21123246]

約数ペア:

[(1, 21123246), (2, 10561623), (3, 7041082), (6, 3520541), (23, 918402), (46, 459201), (69, 306134), (138, 153067)]