21378342

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{48809}}^1$

素因数の和:48887

約数の個数: 16

約数和(自身を含む): 43343280

約数和(自身を除く): 21964938

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 48809, 97618, 146427, 292854, 3563057, 7126114, 10689171, 21378342]

約数ペア:

[(1, 21378342), (2, 10689171), (3, 7126114), (6, 3563057), (73, 292854), (146, 146427), (219, 97618), (438, 48809)]